| File extension | Developer/Producer | File description |
|---|---|---|
| $MSF file extension | Adobe Systems Incorporated | Adobe Configuration Format |
| 256 file extension | Interplay | Descent 2 Colour Palette Format |
| 3 file extension | Oracle Corporation | Solaris Device Configuration Assistant Boot Diskette |
| 3DG file extension | RomanLab Co. Ltd. | 3D Grapher Plot Description |
| 3FX file extension | Corel Corporation | Corel Chart 3D Effect |
| 4CM file extension | Pitrinec Software | ClickyMouse Macro Set |
| 4MT file extension | Pitrinec Software | MacroToolbar Set |
| 4TW file extension | Pitrinec Software | Macro Toolworks Macro Set |
| 5XS file extension | Line 6, Inc. | POD HD500X Set |
| 8BPF file extension | Adobe Systems Incorporated | Adobe Photoshop For Mac Preference |
| 8ST file extension | 8start | 8start Launcher Settings Format |
| A2DESKTOP file extension | Gladiators Software | Aston Desktop Desktop Skin |
| A2M file extension | TallStick | AdLib Tracker 2 Format |
| A2MENU file extension | Gladiators Software | Aston Desktop Start Menu Skin |
| A2PANEL file extension | Gladiators Software | Aston Desktop Panel Skin |
| A2THEME file extension | Gladiators Software | Aston 2 Theme Format |
| A3G file extension | Pho.to | Photo! 3D Gallery |
| A3X file extension | FMC Technologies, Inc. | AccuLoad III.net Settings |
| AAP file extension | Heikki Ylinen | Apollo Advanced Playlist |
| AAS file extension | Microsoft Corporation | Microsoft Windows Application Assignment Script |
| AAT file extension | Graphisoft | ArchiCAD Attribute Transfer |
| AAW file extension | Lavasoft | Lavasoft Ad-Aware 2007 Settings |
| ABS file extension | FileStream | TurboZIP Auto Compress Script |
| ABX file extension | Corel Corporation | Corel WordPerfect Mail Address Book |
| ACB file extension | Adobe Systems | Adobe Color Book Format |
| ACBL file extension | Adobe Systems | Adobe Color Book Format |
| ACCFL file extension | Microsoft Corporation | Microsoft Access Field Template |
| ACF file extension | Adobe Systems | Adobe Photoshop Custom Filter |
| ACO file extension | Adobe Systems | Adobe Photoshop Color Palette And Swatches Format |
| ACROBATSECURITYSETTINGS file extension | Adobe Systems | Adobe Acrobat Security Settings Format |
| ACRODATA file extension | Adobe Systems | Adobe Acrobat Data Format |
| ACS2 file extension | AIMP DevTeam | AIMP Media Player Skin |
| ACS3 file extension | AIMP DevTeam | AIMP Skin Package |
| ACT file extension | Adobe Systems | Adobe Photoshop/Illustrator Color Table |
| ACTIONS file extension | Impressum | Photoline 4 Defaults |
| ACTIONSCRIPTPROPERTIES file extension | Adobe Systems Incorporated | Adobe Flex Settings |
| ACV file extension | Adobe Systems | Adobe Photoshop Colour Curves Format |
| ACW file extension | Microsoft | Microsoft Accessibility Wizard Format |
| ADBA file extension | Raytheon Company | AIMSS Author Project Configuration |
| ADIUMLISTLAYOUT file extension | The Adium Team | Adium List Layout |
| ADIUMLISTTHEME file extension | The Adium Team | Adium List Theme |
| ADIUMMENUBARICONS file extension | The Adium Team | Adium Menu Bar Icon |
| ADIUMSOUNDSET file extension | The Adium Team | Adium Sound Set |
| ADJUSTMENTPRESETS file extension | Apple, Inc. | Apple Aperture Preset |
| ADL file extension | Symantec Corporation | QEMM MicroChannel Adapter Description Library |
| ADO file extension | Adobe Systems | Adobe Photoshop Duotone Format |
| ADPP file extension | Adobe Systems | Adobe Device Central Package Profile |
| AE0 file extension | NetBSD Foundation, Inc. | NetBSD Ethernet Configuration |
| AEA file extension | Ae Applications | Ae Timer Alarm Document Format |
| AFPP file extension | N/A | Mac Apple Share |
| AFW file extension | iGrafx, LCC. | Micrografx FlowCharter Work Area |
| AGL file extension | Domain Systems, Inc. | ChangeCAST AGL |
| AGPREFS file extension | Adobe Systems Incorporated | Adobe Photoshop Lightroom Preferences |
| AGTEMPLATE file extension | Adobe Systems Incorporated | Adobe Photoshop Lightroom Preset |
| AGV file extension | Esri | ArcGlobe Video Metadata |
| AHL file extension | eMule | EMule Metadata Format |
| AHS file extension | Adobe Systems | Adobe Photoshop Halftone Screens Format |
| AHU file extension | Adobe Systems | Adobe Photoshop Hue Saturation Lightness Format |
| AIA file extension | Adobe Systems | Adobe Illustrator Action Format |
| AIT file extension | Adobe Systems | Adobe Illustrator Template Format |
| AIU file extension | Caphyon | Advanced Installer Updates Configuration Format |
| ALIASES file extension | National Instruments Corporation | LabVIEW IP Adresses Map |
| ALLOW file extension | Various Linux developers | Linux Access |
| ALTQ file extension | N/A | QuickView Settings |
| ALV file extension | Adobe Systems | Adobe Photoshop Levels Format |
| ALX file extension | Research In Motion | BlackBerry Application Loader Format |
| AMP file extension | Adobe Systems | Adobe Photoshop Arbitrary Map Settings Format |
| AMS file extension | N/A | Adobe Monitor Setup Format |
| ANTISPAM5 file extension | Intego | Personal AntiSpam Settings Format |
| ANV file extension | Birch Grove Software, Inc. | ActivTrak Net View |
| ANYDVDHD file extension | SlySoft | AnyDVD Registration Key |
| AOIS file extension | Zaplots | CFS Console Add-on Installer Settings Format |
| AOM file extension | Adobe Systems | Adobe After Effects Output Settings Format |
| APC file extension | IBM | Lotus Printer Driver Characters |
| API file extension | Adobe Systems | Adobe Acrobat Plugin Format |
| APPLETVIEWER file extension | Oracle Corporation | Java Appletviewer |
| APPLICATION file extension | Microsoft | ClickOnce Deployment Manifest Format |
| APPREF-MS file extension | Microsoft | Application Reference Format |
| APREF-MS file extension | Microsoft Corporation | Application Reference |
| APXT file extension | Apperson Education Products | DataLink Setting |
| ARG file extension | Autodesk | AutoCAD Profile Export Format |
| ARL file extension | AOL | AOL Organizer Format |
| ARP file extension | Elcomsoft | Advanced RAR Password Recovery Preference Format |
| ARS file extension | Adobe Systems | Adobe After Effects Render Settings Format |
| ARV file extension | Microsoft Corporation | Microsoft AutoRoute User Information |
| ASE file extension | Adobe Systems | Adobe Swatch Exchange Format |
| ASEF file extension | Adobe Systems Incorporated | Adobe Swatch Exchange |
| ASGP file extension | Hewlett-Packard Company | HP-UX NIS Maps Configuration |
| ASL file extension | N/A | Adobe Photoshop Layer Style Format |
| ASN file extension | IGN Entertainment, Inc. | GameSpy Arcade Skin |
| AST file extension | Adobe Systems | Adobe Photoshop Colour Separation Table |
| ASU file extension | SumTotal Systems, Inc. | ToolBook Package Definition |
| ASV file extension | Adobe Systems | Adobe Photoshop Selective Colour Format |
| ASWCS file extension | AVAST Software | Avast! Antivirus Skin |
| ASWS file extension | AVAST Software | Avast! Antivirus Skin |
| ATC file extension | Autodesk | AutoCAD Catalog Format |
| ATF file extension | Adobe Systems | Adobe Photoshop Transfer Function Format |
| ATH file extension | Dell | Alphacam Lathe Thread Format |
| ATHEME file extension | Amazing-Clock.com | Amazing Clock Theme |
| ATLG file extension | FlashPeak Inc. | SlimBrowser Auto Login |
| ATN file extension | Adobe Systems | Adobe Photoshop Actions Settings Format |
| ATZ file extension | Gladiators Software | Aston Compiled Theme |
| AUDIBLEPREFS file extension | Audible, Inc. | Audible Preference |
| AUI file extension | AGE SOLUTIONS | AGE3D UI Editor Color Table |
| AUS file extension | Agnitum Ltd. | Outpost Firewall Pro Configuration |
| AUTOCONF file extension | The Open Group | Autoconfiguration |
| AUTOREG file extension | N/A | Mozilla Application Suite Auto Registration Clue |
| AUX file extension | N/A | TeX/LaTeX Auxiliary References Format |
| AVASTCONFIG file extension | AVAST Software a.s. | Avast Configuration |
| AVE file extension | Avid Technology | Avid User Format |
| AVS file extension | Nullsoft | Stardent AVS X Bitmap Image Format |
| AWCAV file extension | ActiveWorlds | ActiveWorlds Browser User Avatar Format |
| AWE file extension | Adobe Systems Incorporated | Adobe Acrobat Bookmark XML |
| AWL file extension | Lavasoft | Ad-Aware Language |
| AWS file extension | Autodesk | AutoCAD Work Space Format |
| AXP file extension | Canneverbe | CDBurnerXP Audio Compilation Format |
| AXT file extension | Adobe Systems | Adobe Photoshop Replace Color Range Format |
| AXV file extension | N/A | Annodex Digital Media Format |
| AZD file extension | Amazon.com, Inc. | Amazon Software Download |
| BAG file extension | AOL Inc. | AOL Instant Messenger (AIM) Buddy List |
| BASECONFIG file extension | Apple, Inc. | AirPort Utility Setting |
| BASH_LOGIN file extension | GNU Project | Unix Shell Script (bash) |
| BASH_LOGOUT file extension | GNU Project | Unix Shell Script (bash) |
| BASIN file extension | U.S. Army Corps of Engineers | HEC-HMS Basin Model Settings |
| BAU file extension | Sun Microsystems | OpenOffice.org Configuration Format |
| BBTL file extension | Bare Bones Software | BBEdit Tool Palette |
| BBW file extension | PG Music Inc. | Band-in-a-Box Nterface |
| BCMX file extension | Microsoft | Microsoft Outlook Business Contact Manager Customization Format |
| BCP file extension | NeuralTek | BlackMagic Adobe Photoshop Plug-in Custom Palette Format |
| BCS file extension | Boland | Boland Calibration Settings Format |
| BCW file extension | Micro Focus International plc | Borland C++ Workspace |
| BDB2 file extension | Brainmaster Technologies, Inc. | BrainMaster Settings |
| BEX file extension | SUGIMOTO Tomohiko | Kashmir 3D Transparent Color Definition |
| BFD file extension | Various Linux developers | Linux BFD Rules Configuration |
| BFMV file extension | Martjin Buijs | BfMeshView Workspace |
| BFT file extension | SmartWare Corporation | SmartWare Backup Transaction Definition |
| BGI file extension | Microsoft | BGInfo Configuration Format |
| BI file extension | Bohemia Interactive | Bohemia Interactive Addon Signature |
| BITCFG file extension | PassMark Software Pty Ltd | Passmark Configuration |
| BITPIM file extension | BitPim | BitPim Configuration Format |
| BKS file extension | Microsoft | NTBackup Settings Format |
| BLL file extension | N/A | Borland Delphi Localization Information |
| BLOB file extension | Valve | Steam Client Registry Format |
| BLT file extension | AOL | AIM AOL Instant Messenger Saved Buddy List |
| BLW file extension | Adobe Systems | Adobe Photoshop Black And White Presets Format |
| BMM file extension | Isao Maruoka | Tacmi Pixia Palette |
| BOCHSRC file extension | The Bochs Project | Bochs Configuration |
| BOOT file extension | Flexera Software | InstallShield Format |
| BOOTSTRAP file extension | Adobe Systems Incorporated | Adobe HTTP Dynamic Streaming Bootstrap |
| BRG file extension | Bentley Systems | Bentley ProjectWise Configuration Format |
| BRPX file extension | Rick Meyers | E-sword Bible Reading Plan |
| BS7 file extension | Windows 7 Boot Updater | Windows 7 Boot Updater Boot Animation Format |
| BSI file extension | bs.global organization | BSPlayer Configuration |
| BSL file extension | bs.global organization | BSPlayer Configuration |
| BT3 file extension | MomSoft | Control Runner Button Configuration |
| BTSEARCH file extension | BitTorrent | BitTorrent Search Engine Specification Format |
| BTSKIN file extension | BitTorrent, Inc. | µTorrent Skin |
| BUJ file extension | J. Rathlev, IEAP, Kiel University | Personal Backup Saved Task |
| BXRC file extension | The Bochs Project | Configuration |
| BXX file extension | Bitmanagement Software | BlaxxunContact Format |
| C2R file extension | Microsoft | Microsoft Windows Media Center Click-to-record Format |
| CAKEWALKWINDOWLAYOUT file extension | N/A | Cakewalk Window Layout |
| CAMP file extension | Microsoft | WCS CAMP |
| CANNEDSEARCH file extension | Apple, Inc. | Apple Mac OS X Finder Predefined Search |
| CAOS file extension | Abbot Systems | CanOpener Preference |
| CASE file extension | Bohemian Coding | SlipCover For Mac Template Format |
| CATPREFERENCES file extension | Dassault Systèmes S.A. | CATIA Preferences |
| CATSETTINGS file extension | Dassault Systèmes S.A. | CATIA Settings |
| CCB file extension | Microsoft Corporation | Visual Basic Animated Button Configuration |
| CCM file extension | ClickTeam | Multimedia Fusion Custom Menu |
| CDT file extension | Corel | CorelDRAW Template Format |
| CDT_ file extension | N/A | CorelDRAW For Mac Template |
| CEI file extension | School of Aquatic & Fishery Sciences, University of Washington | CRiSP Harvest |
| CERTAUTHORITYCONFIG file extension | Apple, Inc. | Apple Mac OS X Certificate Assistant Configuration |
| CEX file extension | Dassault Systemes | SolidWorks Enterprise PDM Vault Export Format |
| CF file extension | N/A | Sendmail Configuration Format |
| CFG file extension | N/A | Configuration Files |
| CGR file extension | Act-3D | Quest3D Visualisation Scene Format |
| CH file extension | IBM | OS/2 Configuration |
| CHA file extension | Adobe Systems | Adobe Photoshop Channel Mixture Format |
| CHF file extension | Symantec Corporation | PcAnywhere Remote Control |
| CHL file extension | Leadtek Research | Leadtek WinFast PVR2 Channel List Format |
| CHX file extension | Autodesk | Autodesk AutoCAD Standards Check Format |
| CIK file extension | N/A | Corel Graphics 10 Custom Dual Tone |
| CJSTYLES file extension | Codejock Software | Skin Builder Project |
| CKS file extension | N/A | Microsoft Windows CE Image Info |
| CLG file extension | Microsoft | Microsoft Windows System Image Manager Catalogue Format |
| CLR file extension | CryptLoad | CryptLoad Router Information Format |
| CLV file extension | Ilgam Zulkorneev | QIP Visible List |
| CLY file extension | Corel Corporation | CorelDRAW Custom Layout |
| CM file extension | N/A | Cable Modem Configuration Format |
| CMB file extension | Jeffrey C Johnson (XTree Company) | Xtree For Windows Button Bar |
| CMMTHEME file extension | MacPaw | CleanMyMac Theme Format |
| CNF file extension | N/A | Network Configuration Format |
| CNN file extension | N/A | ADO-network Connection Configuration |
| CNTK file extension | Microsoft Corporation | Microsoft Outlook Express Contact |
| CNTL file extension | Desktop Aeronautics | GoCart Control |
| COLOR file extension | W3C | Amaya Config |
| COLOURSCHEME file extension | J&ASoft | J&ASoft Speedy Browser Color Scheme Settings |
| COLR file extension | Greg Landweber and Arlo Rose | Kaleidoscope Scheme |
| CONF file extension | N/A | Configuration Information Format |
| CONFLUENCE file extension | The Eclipse Foundation | Eclipse Mylyn WikiText Confluence |
| CONT file extension | Panasonic Corporation | Panasonic Camcorder Extra |
| CONTROLS file extension | OpenBVE | OpenBVE Keyboard Settings Format |
| COPRESET file extension | Phase One | Capture One Preset Format |
| COS file extension | Phase One | Creatures Source Code Format |
| COSTYLE file extension | Phase One | Capture One Style Format |
| CPF file extension | Microsoft | Cab Provisioning Format |
| CPX file extension | Oracle | Oracle Application Development Framework ADF Binding Context Format |
| CSAPLAN file extension | IBM | SPSS Analysis Plan Format |
| CSASSEMBLY file extension | ICQ LLC | ICQ 6 |
| CSF file extension | Adobe Systems | Adobe Photoshop Color Settings Format |
| CSK file extension | Copernic Inc. | Copernic 2001 Skin |
| CSKIN file extension | CD Art Display | CD Art Display Skin Format |
| CSMANIFEST file extension | ICQ LLC | ICQ 6 Settings |
| CSPLAN file extension | IBM | SPSS Sampling Plan Format |
| CST file extension | ACD Systems | Canvas Custom Set Format |
| CSW file extension | Corel Corporation | Corel WordPerfect Setup Information |
| CSZ file extension | CoreCodec, Inc. | The Core Media Player Skin |
| CTA file extension | Venstar Inc. | ColorTouch Assistant Settings |
| CTB file extension | Autodesk | AutoCAD Colour-dependent Plot Style Table Format |
| CTBL file extension | BWH | 3D Slicer Colors Module |
| CTBODYFITTING file extension | Reallusion | CrazyTalk Animator Format |
| CTI file extension | Bitz & Pixelz BV | Collectorz.com Template Info |
| CTR file extension | Creative Express Corporation | ERGO Receiver Configuration |
| CUI file extension | Autodesk | AutoCAD Customization Format |
| CUIX file extension | Autodesk | Autodesk AutoCAD Custom User Interface Format |
| CUS file extension | Autodesk | AutoCAD Custom Dictionary Format |
| CUSTOMDESTINATIONS-MS file extension | Microsoft Corporation | Microsoft Windows 7 Jump List |
| CVA file extension | Hewlett-Packard | HP Compaq Diagnostics Format |
| CVSIGNORE file extension | N/A | Eclipse CVS Settings |
| CWC file extension | ITI TranscenData | CADfix Wizard Configuration |
| CWF file extension | Corel | CorelDRAW Workspace Format |
| CWX file extension | Cakewalk, Inc. | Sonar Track Template |
| CW_ file extension | Corel Corporation | CorelDRAW Workspace |
| CXR file extension | Omron Corporation | CX-Programmer Settings |
| CYBERDUCKLICENSE file extension | Cyberduck | Cyberduck For Mac OS License Format |
| CYBERDUCKPROFILE file extension | Cyberduck | Cyberduck Connection Profile |
| D5P file extension | Alexandre Devilliers | Dragon UnPACKer Language Pack |
| DADX file extension | The Eclipse Foundation | Eclipse Document Access Definition Extension |
| DAPF file extension | Microcosm Ltd. | DinkeyAdd Parameter |
| DBB file extension | Skype | Skype User Data Format |
| DBG file extension | N/A | Debug Format |
| DBH file extension | Freescale Semiconductor, Inc. | CodeWarrior Debug Preferences |
| DCL file extension | Autodesk | AutoCAD Dialog Definition Format |
| DCLS file extension | Dassault Systèmes S.A. | CATIA V4 Settings |
| DCP file extension | Adobe Systems | Adobe Photoshop DNG Digital Negative Camera Profile Format |
| DCST file extension | Adobe Systems | Adobe InDesign Format |
| DDF file extension | Microsoft | Diamond Directive Format |
| DDR file extension | Microcosm Ltd. | DDRemote Parameter |
| DEFINITION file extension | Apple, Inc. | Apple Mac OS X Automator Data Type Definition |
| DENY file extension | N/A | Linux Access |
| DEPLOYMENTOPTIONS file extension | Microsoft Corporation | SQL Server Deployment Options |
| DEPLOYMENTTARGETS file extension | Microsoft Corporation | SQL Server Deployment Target |
| DEVICEMETADATA-MS file extension | Microsoft Corporation | Microsoft Windows 7 Device Metadata Package |
| DFQ file extension | SmartWare Corporation | SmartWare Query Definition |
| DFR file extension | SmartWare Corporation | SmartWare Report Definition |
| DFW file extension | SmartWare Corporation | SmartWare Cross-tab Definition |
| DGL file extension | GipsyMedia Ltd | DigiGuide Language |
| DGMAKER file extension | GipsyMedia Ltd | DigiGuide Marker |
| DGNLIB file extension | Bentley Systems, Incorporated | MicroStation Design Library |
| DICPROOF file extension | Microsoft | Microsoft Office Dictionary Proofing Format |
| DINFO file extension | DivX | DivX Web Player Temporary Download Format |
| DIRECTORY file extension | KDE | KDE Folder View Properties Format |
| DMV file extension | Adobe Systems Incorporated | Adobe Acrobat Catalog |
| DNP file extension | N/A | DRM Digital Rights Management |
| DOCC file extension | TLA Systems Ltd. | DragThing Color Settings |
| DOF file extension | Embarcadero Technologies, Inc. | Delphi Project Options |
| DOLPHINVIEW file extension | Dolphin | Dolphin For KDE Folder View Settings Format |
| DOWNLOADED file extension | ICQ LLC | ICQ 6 Hash |
| DOWNLOADHOST file extension | Microsoft | MSN Explorer Download View |
| DPS file extension | DivX | DivX Player Skin |
| DPV file extension | Siemens PLM Software | Siemens NX Drafting Standard Format |
| DRM file extension | Steinberg | Cubase Drum Map Setup Format |
| DRMMETA file extension | Adobe Systems Incorporated | Adobe HTTP Dynamic Streaming DRM Additional Header |
| DRPF file extension | N/A | DinkeyRemote Parameter |
| DRU file extension | CadSoft Computer, Inc. | EAGLE Design Rules |
| DSD file extension | Autodesk | Autodesk AutoCAD Drawing Set Description Format |
| DSH file extension | SnoopSoft | Dashboard PDA Wallpaper |
| DSLSETUP file extension | N/A | Domain Specific Language Setup |
| DSW file extension | Microsoft | Microsoft Visual Studio Workspace Format |
| DS_STORE file extension | Apple | Macintosh OS X Folder Information Format |
| DTB file extension | DATACAD LLC. | DataCAD Custom Toolbar |
| DTSCONFIG file extension | Microsoft Corporation | Microsoft SQL Server Integration Services Configuration |
| DUCK file extension | Cyberduck | Cyberduck Bookmark Format |
| DUN file extension | Microsoft | Dial-Up Network Config Format |
| DUP file extension | Microsoft Corporation | Windows DUA Polling Reconfiguration |
| DVP file extension | Autodesk, Inc. | AutoCAD Device Parameter |
| DXLS file extension | Palmer Performance Engineering | DashXL Skin Set Format |
| DXP file extension | Canneverbe | CDBurnerXP Data Compilation Format |
| DXSTREAM file extension | Worldweaver | DX Studio Stream |
| DZS file extension | SpeedBit Ltd. | Download Accelerator Skin |
| EAGLERC file extension | CadSoft Computer, Inc. | EAGLE Linux User-specific Parameter |
| EAP file extension | Adobe Systems | Adobe Photoshop Exposure Format |
| EC7 file extension | EUROSYSTEMS | EuroCUT Profile |
| ECORE2ECORE file extension | The Eclipse Foundation | Eclipse EMF Ecore Model Mapping |
| ECORE2XML file extension | The Eclipse Foundation | Eclipse EMF Ecore Model Mapping |
| ECU file extension | Mark Mansur | TunerPro ECU Configurator |
| EDT file extension | N/A | Adobe Ebook Download Settings |
| EEB file extension | Corel Corporation | Corel WordPerfect Equation Editor Button Bar |
| EFT file extension | The Goverment of the Hong Kong Special Administrative Region | E-Form Form Template |
| EFTX file extension | Microsoft | Microsoft Office 2007 Theme Effect Format |
| EFXT file extension | Microsoft Corporation | Microsoft Office Theme |
| ELE file extension | ZEMAX Development Corporation | ZEMAX Element Drawing Settings |
| ELM file extension | Microsoft | Office Theme Format |
| EMOF file extension | The Eclipse Foundation | Eclipse EMOF Model |
| EMV file extension | National Instruments Corporation | LabVIEW Configuration |
| END file extension | Corel Corporation | CorelDRAW Arrow-head Definition |
| ENP file extension | Thomson Reuters | EndNote Preferences Format |
| ENS file extension | Thomson Reuters | EndNote Style Format |
| ENV file extension | E-on Software | Vue Environment Format |
| ENZ file extension | Thomson Reuters | EndNote Connection Format |
| EPR file extension | Adobe Systems | Photoshop AME Preset Format |
| EQF file extension | Nullsoft | Winamp Equalizer Settings Format |
| EQL file extension | N/A | MathType Settings Format |
| EQP file extension | N/A | MathType Preferences Format |
| ESET file extension | N/A | Extensions Manager Settings |
| ESKIN file extension | diekollegen.at | Emperor Theme Skin |
| ETFF file extension | Encrypt4all Software | Encrypt4all Theme Format |
| EUM file extension | N/A | WaveRider Enterprise User Monitor Configuration Format |
| EV1 file extension | Briggs Softworks | Calendar Commander Version 1 Event |
| EV2 file extension | Briggs Softworks | Calendar Commander Version 2 Event |
| EV3 file extension | Az-Tech Software | Az-Tech Everlock Options Format |
| EVM file extension | Microsoft Corporation | Windows Vista Session Configuration |
| EVP file extension | DeskSoft | Earthview Configuration |
| EWC file extension | EW Avionics | EWView Configuration |
| EXA file extension | Aquila Software | Examine32 Saved Search Paramaters |
| EXAML file extension | Aquila Software | Examine32 Saved Search Parameters |
| EXAMPLE file extension | N/A | Example Configuration Format |
| EXE4J file extension | Ej-technologies | Exe4j Configuration Format |
| EXP file extension | SonicWALL | SonicWALL Preference Format |
| EXPORTEDUI file extension | Microsoft Corporation | Microsoft Office Import Customization |
| F4M file extension | Adobe Systems Incorporated | Adobe HTTP Dynamic Streaming Flash Media Manifest |
| FAT file extension | The Zinf Team | Zinf Theme Format |
| FAV file extension | Microsoft Corporation | Microsoft Outlook Bar-shortcut |
| FAVORITEMETADATA file extension | Panic | Transmit For Mac Login Data Format |
| FBD file extension | DARTECH, Inc. | DART Pro 98 User-defined Complex Restoration Filters |
| FBT file extension | ABBYY | ABBYY FineReader Document Options Format |
| FCC file extension | Netegrity | SiteMinder Forms Credential Collector Format |
| FCHP file extension | Fetch Softworks | Fetch Preference |
| FD file extension | N/A | LaTeX Font Definition Format |
| FDC file extension | Autodesk | Autodesk AutoCAD Field Catalogue Format |
| FDOC file extension | Microsoft Corporation | Microsoft XPS Document Settings |
| FDRP file extension | Apple, Inc. | Apple Mac OS Folder Alias |
| FEB file extension | Corel Corporation | Corel WordPerfect Figure Editor Button Bar |
| FEV file extension | Ternion | FLAMES Environment Variable Format |
| FEXT file extension | Apple, Inc. | Extensions Manager Preferences |
| FFPRESET file extension | N/A | FFmpeg Preset |
| FFS_BATCH file extension | SourceForge.net | FreeFileSync Configuration |
| FFS_GUI file extension | SourceForge.net | FreeFileSync Configuration |
| FFS_REAL file extension | SourceForge.net | FreeFileSync Configuration |
| FFX file extension | Adobe Systems | Adobe After Effects Preset Format |
| FGA file extension | WinAbility Software Corporation | Folder Guard Attributes |
| FHS file extension | Adobe Systems Incorporated | Adobe Flash Skin XML |
| FHX file extension | Emerson Electric Co. | DeltaV Configuration |
| FHZ file extension | Adobe Systems Incorporated | Adobe Robohelp ZIP Compressed Skin |
| FIN file extension | N/A | Personal Paint Finnish Language User Interface |
| FLST file extension | Adobe Systems | Adobe InDesign Format |
| FLT file extension | E-on Software | Filter Format |
| FLT3 file extension | Adobe Systems Incorporated | Adobe Filter |
| FM3 file extension | IBM | Lotus 1-2-3 Release 3.x Spreadsheet Format |
| FMB file extension | Corel Corporation | WordPerfect For Win File Manager Button Bar |
| FMCF file extension | Adobe Systems Incorporated | Adobe Type Manager Preferences |
| FMOD file extension | Adobe Systems | Adobe Illustrator Flattening Module Format |
| FMP file extension | Autodesk | AutoCAD Font Map |
| FMT file extension | N/A | FoxPro Format |
| FNC file extension | STG Interactive | Frogans Network Certificate |
| FPL file extension | N/A | Flitskikker Language |
| FPW file extension | Microsoft Corporation | FoxPro Configuration |
| FRAG file extension | Microsoft Corporation | Microsoft XPS Document Fragment |
| FRAMES file extension | The Iconfactory | The Iconfactory XScope Frame Format |
| FRC file extension | J R Oakley | Mandelbrot Explorer Colour Settings Format |
| FRR file extension | J R Oakley | Mandelbrot Explorer Fractal Region Settings Format |
| FSD file extension | FacetCorp | FacetWin Backup File Set |
| FSK file extension | David THOIRON | FotoSketcher Parameter Preset |
| FSZ file extension | Mystic Fractal | Fractal Zplot Data/parameter |
| FT file extension | Planit Software | Lotus Notes Full Test Index |
| FTH file extension | FileMaker | FileMaker Pro Theme Format |
| FTP file extension | N/A | FTP Configuration |
| FTPQUOTA file extension | ProFTPD | Ftpquota Format |
| FUS file extension | Ternion Corporation | FLAMES User Settings |
| FWT file extension | Facet Corp | FacetWin Configuration Format |
| GBH file extension | Gigabar | GigaBar Scheme |
| GCO file extension | N/A | Genbox Family History Chart Options |
| GCP file extension | Coloritto BV | Spectramap Group Properties |
| GCRD file extension | N/A | GnomeCard VCard |
| GCSX file extension | Microsoft | Microsoft Office SmartArt Color Variation Package Format |
| GDIAGRAMSTYLE file extension | The Omni Groupg | OmniGraffle Diagram Style Format |
| GDN file extension | SmartWare Corporation | SmartWare Graph Definition |
| GDT file extension | Renegade Minds | Guitar & Drum Trainer Song Configuration |
| GEPRINT file extension | Google Inc. | Google Earth Pro Map Setting |
| GES file extension | Jörg Wegner | PINGO GrADS Description |
| GGT file extension | GeoGebra Team | GeoGebra User-defined Tool |
| GGZ file extension | Garena Online | Garena Skin |
| GID file extension | Microsoft | Microsoft Windows Help General Index Format |
| GIN file extension | General Engine Management Systems | GEMS Engine Control Unit Format |
| GITATTRIBUTES file extension | Scott Chacon | Pro Git Attribute |
| GMANIFEST file extension | Google Inc. | Google Desktop Gadget Control |
| GPB file extension | Genie-Soft Corporation | Genie Backup Manager Configuration |
| GPS file extension | GRETECH | GOM Player Skin Format |
| GQSX file extension | Microsoft | Microsoft Office SmartArt Style Definitions Package Format |
| GRD file extension | Adobe Systems | Adobe Photoshop Image Ready Gradient Format |
| GRID file extension | DonationCoder.com | GridMove Grid Settings |
| GROWLSTYLE file extension | Growl Team | Growl WebKit Style |
| GROWLTICKET file extension | Growl | Growl Notification Format |
| GRS file extension | Headlight Software, Inc. | GetRight Skin |
| GRU file extension | FXpansion™ Audio UK Ltd. | Geist Preset |
| GTKRC file extension | The GTK+ Project | GTK+ Skin Format |
| GTP file extension | The GNOME Project | GNOME Theme Package Format |
| GUL file extension | Samsung Group | JungUm Global Viewer Korean Language |
| GVIMRC file extension | gVim | GVim Settings Format |
| GWS file extension | Intergraph | GeoMedia Geoworkspace Format |
| GXT file extension | Rockstar Games | Grand Theft Auto 2 Game Format |
| GXW file extension | GRASS Development Team | GRASS GIS Workspace Layout Definition |
| H3E file extension | Line 6, Inc. | POD HD300 Preset |
| H4E file extension | Line 6, Inc. | POD HD400 Preset |
| H5E file extension | Line 6, Inc. | POD HD500 Preset |
| H5S file extension | Line 6, Inc. | POD HD500 Set |
| HCFG file extension | HoDoKu Team | HoDokK Configuration |
| HDT file extension | Adobe Systems | Photoshop HDR Toning Preset Format |
| HELPCFG file extension | Adobe Systems Incorporated | Adobe AIR Help Configuration |
| HFC file extension | H-JTAG team | H-JTAG Configuration |
| HFMX file extension | N/A | HFM.NET Configuration |
| HID file extension | Sony Ericsson | Sony Ericsson Configuration Archive Format |
| HIL file extension | N/A | Hi HelpIndex Language |
| HME file extension | Microsoft | Smartphone Theme Format |
| HMSKIN file extension | EC Software GmbH | Help & Manual Help File Skin |
| HNF file extension | N/A | HNF Split & Merge Channels |
| HPR file extension | Adobe Systems Incorporated | RoboHelp Settings |
| HT file extension | Hilgraeve | HyperTerminal Session Format |
| HTGROUP file extension | Apache Software Foundation | Apache Server User Group |
| HTN file extension | Micrografx, Inc. | Micrografx Picture Publisher 8 Print Style |
| HTPL file extension | IBM | IBM Rational Application Developer WebContent Theme |
| HVD file extension | Thibaun Dijan | HoverDesk Theme |
| HWT file extension | N/A | Huawei Ascend P6 Emotion UI Theme |
| HXW file extension | Microsoft Corporation | Microsoft Help Attribute Definition |
| IAF file extension | Microsoft | Microsoft Outlook Exported Account And Email Setting Format |
| IBL file extension | Pyxia Development | IBasic Component Language |
| ICA file extension | Citrix | Citrix Independent Computer Architecture Format |
| ICC file extension | N/A | International Color Consortium Profile File Format |
| ICD file extension | Microsoft | Microsoft Windows OpenGL Installable Client Driver Format |
| ICM file extension | N/A | Windows Image Color Matching Format |
| ICONPACKAGE file extension | Stardock | IconPackager Theme Format |
| ICP file extension | N/A | Unix IContact Parameter |
| ICTE file extension | Apple, Inc. | Apple Mac Internet Configuration |
| ICURSORFX file extension | GioFX | ICursor Effect Format |
| ICW file extension | Microsoft Corporation | Microsoft Internet Explorer Internet Connection Wizard |
| IDF file extension | N/A | Microsoft Windows 95 MIDI Instrument Definition Format |
| IDG file extension | aaton s.a. | Majax Settings |
| IDPP file extension | Adobe Systems | Adobe InDesign Format |
| IFB file extension | Oracle Corporation | Oracle Siebel Interface Configuration |
| IFT file extension | N/A | Canon Settings |
| IGR file extension | Act-3D | Quest3D Channel Group Layout Format |
| IHW file extension | IN-HEH | IN-HEH Timeline Workspace Format |
| IIP file extension | Mercury International Technology | ThinAnywhere Configuration Format |
| IIT file extension | Clickteam | Install Creator Settings Format |
| IKF file extension | PCS Systemtechnik | INTUS Keyboard Settings Format |
| IKMP file extension | IK Multimedia Production srl | SampleTank Preset |
| IMESX file extension | Microsoft Corporation | Microsoft Office IME Search Provider Definition |
| IMMODULES file extension | N/A | GTK+ Module Format |
| IMO file extension | SoundGraph, Inc. | IMON Manager Settings |
| IMS file extension | Perion Network Ltd. | IncrediMail Graphic Skin |
| INF file extension | N/A | Windows Installation Script Format |
| INI file extension | N/A | Text Configuration Format |
| INI-DIST file extension | The PHP Group | PHP INI |
| INI-RECOMMENDED file extension | The PHP Group | PHP INI |
| INI2 file extension | N/A | Text Configuration |
| INMS file extension | Adobe Systems | Adobe InDesign Menu Set Format |
| INSS file extension | Apple, Inc. | Apple Mac OS X Setup Assistant ISP Info Document |
| IN_ file extension | Microsoft Corporation | Microcoft Setup Information |
| IOK file extension | Visokio | Omniscope Configuration |
| IPCC file extension | Apple | Apple IOS Carrier Update Format |
| IPTHEME file extension | Stardock | IconPackager Theme Format |
| IPZ file extension | ICQ LLC | ICQ Plus Skin |
| IRAFHOSTS file extension | NOAO | IRAF User |
| IRL file extension | IBM | IBM WebSphere ILOG JRules Rule Language |
| IROS file extension | Adobe Systems | Adobe Save For Web Settings Format |
| IRS file extension | Adobe Systems | Adobe Photoshop Optimized Setting Format |
| ISP file extension | Microsoft | Internet Service Provider Settings Format |
| ISS file extension | Flexera Software | ISS Picture Image Format |
| ITT file extension | Joost Verburg | IconTweaker Theme Format |
| IWT file extension | Sunnysoft s.r.o. | Sunnysoft InterWrite Full Keyboard Skin |
| IX file extension | dtSearch | DtSearch Index Format |
| IXI file extension | ixi software | IxiQuarks Preferences |
| IXW file extension | ERDAS, Inc. | ERDAS IMAGINE Toolbar Setting |
| JAI file extension | JThink Ltd | Jaikoz Settings |
| JARDESC file extension | The Eclipse Foundation | Eclipse JAR Settings |
| JBT file extension | Freedom Scientific, Inc. | JAWS |
| JCF file extension | Freedom Scientific, Inc. | JAWS Configuration |
| JCSK file extension | JetAudio Inc. | JetCast Skin |
| JDF file extension | Adobe Systems | Adobe Acrobat Job Definition Format |
| JFF file extension | Freedom Scientific, Inc. | JAWS Ini |
| JGF file extension | Freedom Scientific, Inc. | JAWS Ini |
| JGP file extension | Jolly Giant Software Inc. | QWS3270 PLUS Session Parameter |
| JISP file extension | N/A | Tkabber Emoticon Set |
| JKM file extension | Freedom Scientific | JAWS Ini Configuration Format |
| JMD file extension | Corel Corporation | Corel PaintShop Pro Image Map Settings |
| JOBS file extension | Avery Lee | VirtualDub Job |
| JOY file extension | Crytek | CryENGINE Facial Editor Joystick Settings Format |
| JPL file extension | Quest Software, Inc. | JProbe Settings |
| JPP file extension | N/A | Jigsaw Puzzle Player Puzzle Definition |
| JSC file extension | N/A | JavaScript Config |
| JSF file extension | Project64 | Project64 Joystick Settings Format |
| JSI file extension | Freedom Scientific, Inc. | JAWS Personalized Settings |
| JSR file extension | N/A | Job Safety Report Definition |
| JTG file extension | ARM Holdings plc | Joint Test Action Group Configuration |
| JTPL file extension | IBM | Rational Application Developer WebContent Theme Template |
| JWS file extension | Oracle | Java Workspace Settings Format |
| KBM file extension | Manuel Op de Coul | Scala Keyboard Mapping |
| KCF file extension | KiSS Team | KiSS Configuration |
| KCI file extension | Microsoft Corporation | Visual Studio .NET DB Project Indexing Settings |
| KDR file extension | Thermo Fisher Scientific Inc. | Kinetica Installation |
| KDS file extension | KD Player | KD Player Skin Format |
| KEY file extension | N/A | Keyboard Definition Format |
| KEYBOARD file extension | W3C | Amaya Configuration |
| KEYCHAIN file extension | Apple | Apple Keychain Password Format |
| KFL file extension | Vincent Peters | Kwalitan Filter |
| KGS file extension | Philipp Konerding | Kogeo Toolbar |
| KLC file extension | Microsoft Corporation | Microsoft Keyboard Layout Creator Keyboard |
| KRC file extension | Kra-Tronic Corp | Mouse And Key Recorder Recorded Settings |
| KVT file extension | KVIrc.net | KVIrc Theme |
| KVW file extension | Google Inc. | Google Earth Workspace |
| KWS file extension | KeyWallet GbR. | KeyWallet Skin |
| KYB file extension | N/A | Keyboard Layout Format |
| KYS file extension | Adobe Systems | Adobe Keyboard Shortcut Format |
| L4D file extension | MAXON Computer | Cinema 4D Layout Settings Format |
| LANG file extension | Skype | Skype Language Settings Format |
| LAUNCH file extension | Zend Technologies Ltd. | Zend Studio Debugger Configuration |
| LAY file extension | Rhin | Rhino 3D Layer Text Format |
| LAYOUT file extension | Code Blocks | Code::Blocks Workspace Layout Format |
| LBU file extension | Curry K. Software | Cloaked Affiliate Link Builder Settings Format |
| LCC file extension | Phase One | Capture One PRO Format |
| LD file extension | deltaComm Development, Inc. | Telix Long Distance Codes |
| LD4 file extension | The World Management Pte Ltd. | ACCPAC Plus Menu |
| LED file extension | N/A | Sony AIBO AIBO LED File Format |
| LENS file extension | Autodesk, Inc. | Autodesk Stitcher Camera Profile |
| LFE file extension | Laserfiche | LFClient Document |
| LFO file extension | Camel Audio | Camel Audio Alchemy Preset Format |
| LGT file extension | Let's Go! | Lets Go! Theme Format |
| LIC file extension | N/A | License Format |
| LILY file extension | The PCSX2 Team | PCSX2 LilyPad Configuration Format |
| LIR file extension | Applied Digital | ADI Ocelot Settings |
| LKG file extension | Hewlett-Packard Company | HP-UX Configuration |
| LLC file extension | Laplink Software | LapLink Saved Connection |
| LLP file extension | TimeSoft | Lotto Logic 2002 Lottery Configuration |
| LNS file extension | AVG Technologies (Grisoft) | AVG Anti-Virus Language |
| LNST file extension | Adobe Systems | Adobe InDesign Format |
| LOADERS file extension | N/A | GTK+ Loaders Format |
| LOB file extension | IBM | IBM DB2 LOBFILE |
| LOGIKCS file extension | Apple, Inc. | Apple Logic Key Commands |
| LOOK file extension | Adobe Systems | SpeedGrade Look Format |
| LOP file extension | ValuSoft | MasterCook Layout Format |
| LP4 file extension | UIC Phoenxsoftware | 36-Image Converter Encrypted Language Pack |
| LRSMCOL file extension | Adobe Systems | Adobe Photoshop Lightroom Settings Format |
| LRTEMPLATE file extension | Adobe Systems | Adobe Photoshop Lightroom Preset Settings Format |
| LSV file extension | Light-O-Rama | Light-O-Rama Sequence Editor Visual Preference |
| LTS file extension | Microsoft Studios | Links Email Tourney |
| LVA file extension | Logitech | Logitech Video Effects Avatar Format |
| LVF file extension | Logitech | Logitech Video Effects Avatar And Face Accessory |
| LVLPS file extension | National Instruments Corporation | LabVIEW Local Project Settings |
| LWPP file extension | SquidMelon | Live Wallpaper For Mac Desktop Theme |
| LXCP file extension | LCARS x32 | LCARS X32 For Windows Color Profile Format |
| LXSOPT file extension | Liquid Technologies | Liquid XML Studio Project Settings Format |
| LYT file extension | vanBasco Software | VanBacscos Karaoke Player Skin Format |
| M2D file extension | N/A | HTC Manila 2D For Windows Mobile Skin |
| M2DCT file extension | N/A | HTC Manila 2D For Windows Mobile Skin |
| M2F file extension | Maxthon International Limited | Maxthon Filter Package |
| M2S file extension | Maxthon | Maxthon Skin Installation Package |
| M2U file extension | Maxthon International Limited | Maxthon Layout |
| M3URL file extension | N/A | SMIL MP3 Playlist |
| MA3 file extension | Harvard Graphics | Harvard Graphics Macro |
| MAGIC file extension | SourceForge.net | Magic Mail Monitor Configuration |
| MAILHOST file extension | Microsoft | E-mail Server Preferences Format |
| MAKE file extension | Drush Make | Makefile |
| MAL file extension | MadAppLauncher | MadAppLauncher Settings Format |
| MANIFEST-DESKTOP file extension | Canonical Ltd. | Ubuntu Desktop CD Manifest |
| MASK file extension | Adobe Systems | SpeedGrade Color Mask Format |
| MATERIAL file extension | N/A | Rigs Of Rods Texture Reference Format |
| MBP1 file extension | Amazon.com, Inc. | Kindle Touch Annotation |
| MCC file extension | Parametric Technology Corporation | Mathcad Configuration |
| MCL file extension | Microsoft | Microsoft Media Center Application Shortcut Format |
| MCV file extension | N/A | ManyCam Effect |
| MCW file extension | Hex2Bit | Monitor Calibration Wizard Format |
| MCXML file extension | Microsoft Corporation | Microsoft Office 2013 XML Settings |
| MDP file extension | Microsoft | Microsoft Visual C++ Visual J++ MAK File (old Project Workspace) |
| MDPF file extension | Apple, Inc. | Mac OS X Modem Preferences |
| MDRC file extension | inoage GmbH | MADRIX DMX Remote Configuration |
| MDV file extension | SmartWare Corporation | SmartWare Modem Definition |
| MECH file extension | Parametric Technology Corporation | Pro/MECHANICA Settings |
| MEW file extension | Multi Edit Software Incorporated. | MultiEdit Configuration |
| MFALIST file extension | Ashampoo GmbH & Co. KG | Ashampoo Photo Commander Slideshow List |
| MGK file extension | ImageMagick Studios | ImageMagick Settings Format |
| MGM file extension | N/A | MGCSoft Equation Editor Macro File Format |
| MGTHEME file extension | Mariner Software | MacGourmet Theme Format |
| MILLPST file extension | BobCAD-CAM Inc. | BobCAD Post Processor Data |
| MKP file extension | N/A | Cinestar Remote Control Configuration |
| MKS file extension | Advanced Computer Innovations, Inc. | MagicKey SmartType Settings |
| MKT file extension | Microsoft Corporation | Visual FoxPro Configuration |
| MKY file extension | Advanced Computer Innovations, Inc. | MagicKey Configuration |
| MLF file extension | N/A | Package Download Profile |
| MLK file extension | ValuSoft | Sierra MasterCook Look Format |
| MLN file extension | Autodesk, Inc. | AutoCAD Multiline Definition |
| MM1 file extension | ActiveXperts Software B.V. | ActiveXperts MMS Toolkit Settings |
| MM3 file extension | CW Technical Services | Mortgage Minder Saved Mortgage Configuration |
| MM4 file extension | CW Technical Services | Mortgage Minder Saved Mortgage Configuration |
| MMDC file extension | Ventis Media | MediaMonkey Mobile Device Settings Format |
| MMG file extension | Moritz Bunkus | MKVToolNix Muxing Settings |
| MMK file extension | Prof. RNDr. Jiri Kolafa, CSc. | MACSIMUS Define |
| MMP file extension | Nokia | Symbian SDK Project Specification Format |
| MMPF file extension | Freescale Semiconductor, Inc. | CodeWarrior Preference |
| MMRC file extension | inoage GmbH | MADRIX MIDI Remote Configuration |
| MMZ file extension | N/A | MusicMatch Theme |
| MNS file extension | Autodesk | AutoCAD Interface Settings Format |
| MNU file extension | Autodesk | Autodesk AutoCAD Menu Format |
| MODE1V3 file extension | Apple, Inc. | Xcode Project Settings |
| MOF file extension | Desktop Management Task Force | Systems Management Server Managed Object Format |
| MPDCONF file extension | The MPD Team | Music Player Daemon Settings Format |
| MPDS file extension | inoage GmbH | MADRIX Plexus Settings |
| MPW file extension | Microsoft | Microsoft Project Workspace Format |
| MS2 file extension | inoage GmbH | MADRIX Setup |
| MSF file extension | Miranda IM | Miranda IM Skin Settings Format |
| MSKIN file extension | Maxthon International Limited | Maxthon Skin |
| MSKN file extension | Ventis Media | MediaMonkey Skin Format |
| MSM file extension | Microsoft | Windows Installer Merge Module |
| MSN file extension | Microsoft | Microsoft Windows Network Related Format |
| MST file extension | Corel | Corel Presentations Master Template Format |
| MSW file extension | Corel | Painter Color Mixer Swatches Format |
| MSZ file extension | Ventis Media, Inc. | MediaMonkey Skin |
| MTF file extension | N/A | Motorola Theme Format |
| MXCS file extension | J R Oakley | Mandelbrot Explorer Colour Scheme Format |
| MXFR file extension | J R Oakley | Mandelbrot Explorer Fractal Region Format |
| MXS file extension | Corel | Painter Color Mixer Pad Format |
| MXSKIN file extension | Maxthon International | Maxthon Skin Format |
| MYCOLORS file extension | Stardock | Stardock MyColors Theme Format |
| NAPR file extension | Sig Software | NameCleaner Preference |
| NCA file extension | Nikon Corporation | Nikon Capture Color Adjustment |
| NCFG file extension | ESRI | ArcGIS Explorer Configuration Format |
| NCP file extension | Nikon Corporation | Nikon Camera Photo Settings |
| ND file extension | Intuit | QuickBooks Network Data Format |
| NDC file extension | IBM | IBM Personal Communications Settings Format |
| NE0 file extension | NetBSD Foundation, Inc. | NetBSD Config |
| NETSH file extension | Microsoft Corporation | Netsh File Extension |
| NFG file extension | DJI Interprises, LLC | NewsBin Configuration |
| NHB file extension | Anders Petersson | No Hands Backup Backup Description |
| NHN file extension | ijji Games LLC | Ijji REACTOR Html Launch |
| NIA file extension | Nikon Corporation | Nikon Capture Image Adjustment |
| NIT file extension | Esri | ArcView INFO Table Definitions |
| NJI file extension | Nero | Nero BackItUp Job Format |
| NJT file extension | Nero AG | Nero BackItUp Job Template |
| NKP file extension | Native Instruments | Kontakt Saved Presets |
| NLANG3 file extension | Ashampoo GmbH & Co. KG | Ashampoo Internet Accelerator Language |
| NLPD file extension | PremiumSoft CyberTech Ltd. | Navicat For SQLite Data Synchronization Profile |
| NLPEQ file extension | PremiumSoft CyberTech Ltd. | Navicat For SQLite Export Query Result Profile |
| NLPEV file extension | PremiumSoft CyberTech Ltd. | Navicat Export View Result Profile |
| NLPI file extension | PremiumSoft CyberTech Ltd. | Navicat For SQLite Import Wizard Profile |
| NLPT file extension | PremiumSoft CyberTech Ltd. | Navicat For SQLite Data Transfer Profile |
| NNR file extension | Nikon Corporation | Nikon Capture Noise Reduction |
| NOINDEX file extension | Apple, Inc. | Mac OS X Spotlight Index |
| NOPD file extension | PremiumSoft CyberTech Ltd. | Navicat For Oracle Data Synchronization Profile |
| NOPEM file extension | PremiumSoft CyberTech Ltd. | Navicat For Oracle Export Materialized View Profile |
| NOPEQ file extension | PremiumSoft CyberTech Ltd. | Navicat For Oracle Export Query Result Profile |
| NOPEV file extension | PremiumSoft CyberTech Ltd. | Navicat For Oracle Export View Result Profile |
| NOPI file extension | PremiumSoft CyberTech Ltd. | Navicat For Oracle Import Wizard Profile |
| NOPT file extension | PremiumSoft CyberTech Ltd. | Navicat For Oracle Data Transfer Profile |
| NOR file extension | N/A | Norwegian Localization |
| NPD file extension | PremiumSoft CyberTech Ltd. | Navicat For MySQL Data Synchronize Profile |
| NPE file extension | NVIDIA Corporation | NVIDIA Ntune Overclock System Performance Manager Profile Settings |
| NPEQ file extension | PremiumSoft CyberTech Ltd. | Navicat For MySQL Export Query Result Profile |
| NPEV file extension | PremiumSoft CyberTech Ltd. | Navicat For MySQL Export View Result Profile |
| NPFX file extension | Symantec | Norton Internet Security Settings Format |
| NPI file extension | Nikon Corporation | Nikon Capture Filters |
| NPJ file extension | PremiumSoft CyberTech Ltd. | Navicat For MySQL Batch Job |
| NPN file extension | ACD Systems International Inc. | Canvas Neon Pen |
| NPPD file extension | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Data Synchronization Profile |
| NPPEQ file extension | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Export Query Result Profile |
| NPPEV file extension | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Export View Result Profile |
| NPPI file extension | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Import Wizard Profile |
| NPPT file extension | PremiumSoft CyberTech Ltd. | Navicat For PostgreSQL Data Transfer Profile |
| NSC file extension | Microsoft Corporation | Windows Media Station |
| NSD file extension | Symantec Corporation | Norton System Doctor Sensor Configuration |
| NSPD file extension | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Data Synchronization Profile |
| NSPEQ file extension | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Export Query Result Profile |
| NSPEV file extension | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Export View Result Profile |
| NSPI file extension | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Import Wizard Profile |
| NSPT file extension | PremiumSoft CyberTech Ltd. | Navicat For SQL Server Data Transfer Profile |
| NSU file extension | NVIDIA Corporation | NVIDIA NTune Command System Profile Settings |
| NTC file extension | Nikon | Nikon Camera Control Pro Custom Curves Format |
| NTS file extension | IBM | Lotus Notes Traveler Server Config Format |
| NVC file extension | Nikon | Nikon Vignette Correction Format |
| NWV file extension | Nuance | Dragon NaturallySpeaking User Archive Format |
| OBI file extension | Microsoft | Microsoft Outlook 2007/2010/2013 RSS Subscription Format |
| OBT file extension | Openbox | Openbox Theme Format |
| OBYX file extension | Obyx | Obyx Control |
| OCE file extension | Oracle | Open Catalog Extension Connection Format |
| ODC file extension | Microsoft | Microsoft Office Database Connection Format |
| OEM file extension | Microsoft | OEM Install Data Format |
| OFFICEUI file extension | Microsoft Corporation | Microsoft Office UI Customization |
| OKM file extension | Gian Paolo Saliola | OkMap Map Defining |
| OLK14PREF file extension | Microsoft | Microsoft Outlook 2011 For Mac Preferences Format |
| OLK14RULE file extension | Microsoft Corporation | Microsoft Outlook 2011 For Mac Rule |
| OLL file extension | inData Corporation | TrialDirector Load |
| OMC file extension | OriginLab Corporation | Origin Customized Menu |
| ONETOC2 file extension | Microsoft | Microsoft OneNote Table Of Contents Format |
| OPAL file extension | Microsoft Corporation | Microsoft Office Customization Tool (OCT) Language-specific Settings |
| OPAX file extension | Microsoft Corporation | Microsoft Office Customization Tool (OCT) Standard Settings |
| OPS file extension | N/A | Microsoft Office Profile Settings Format |
| OPT file extension | N/A | Options Format |
| OPTIONS file extension | SE-SOFT | SE-SOFT Configuration Format |
| OPTS file extension | N/A | Linux Configuration Options Format |
| OPW file extension | eSignal | ESignal Option |
| OSCD file extension | hexler | TouchOSC Interface Editor Template |
| OSD file extension | GPSoftware | Directory Opus Configuration |
| OSDX file extension | Microsoft | Microsoft Windows Search Connector Format |
| OSF file extension | Opera Software ASA | Opera Skin |
| OSS file extension | Microsoft | Microsoft Office Saved Search Format |
| OTV file extension | QIAGEN | Rotor-Disc OTV Kit OTV Calibration |
| OTZ file extension | OpenLP | OpenLP Theme Format |
| OVPN file extension | OpenVPN Technologies | OpenVPN Config Format |
| OXO file extension | Jurgen A Doornik | Ox Object-Oriented Matrix Programming Language |
| P2M file extension | Dassault Systemes | PhotoWorks Appearance Format |
| P3E file extension | Adobe Systems | Photoshop Repousse Settings Format |
| PANL file extension | Freescale Semiconductor, Inc. | CodeWarrior Preference Panel |
| PAPERS file extension | Corel | Corel Painter Paper Texture Format |
| PARM file extension | SAS Institute Inc. | SAS Scalable Performance Data Server LIBNAME |
| PBR file extension | Corel Corporation | Corel PaintShop Photo Pro Brush |
| PBS file extension | Corel Corporation | Corel PaintShop Photo Pro Brush Stroke Presets |
| PBV file extension | Corel Corporation | Corel PaintShop Photo Pro Bevel Preset |
| PBZ file extension | Google Inc. | Google Picasa Button Zip |
| PC3 file extension | Autodesk | Autodesk AutoCAD R2000 Plotter Configuration Format |
| PCN file extension | Corel Corporation | Corel PaintShop Photo Pro Contour Preset |
| PCTL file extension | Kaspersky Lab | Kaspersky Parental Control Settings Format |
| PDFS file extension | Adobe Systems | Adobe Illustrator Format |
| PDK file extension | Tekblues Ltd. | PC Desktop Cleaner Configuration |
| PDT file extension | Autodesk, Inc. | Autodesk Hydrology And Pond Settings |
| PEN file extension | Corel | Corel PaintShop Photo Pro Enamel Presets Format |
| PERFMONCFG file extension | Microsoft | Microsoft Windows Performance Monitor Configuration Format |
| PF2 file extension | Canon Inc. | Canon Picture Style Editor Picture Style |
| PFK file extension | N/A | XTreePro Programmable Function Keys |
| PGP file extension | Autodesk | AutoCAD Program Parameter Format |
| PH file extension | AOL | AOL Phone Home Settings Format |
| PHB file extension | ArcSoft | ArcSoft PhotoBase Album Format |
| PHPEDITPROJECT file extension | Waterproof Software | Project From PHPEdit Solution |
| PHPEDITSOLUTION file extension | Waterproof Software | PHPEdit Project Solution |
| PIE file extension | Carl Kenner | Glove Programmable Input Emulator Format |
| PIO file extension | Avid Technology | Pro Tools I/O Settings Format |
| PIP file extension | Microsoft | Microsoft Office Personalized Settings Format |
| PIW file extension | PixAround | PI ProcessBook Display Definition |
| PJUNOXL file extension | Togu Audio Line | TAL-U-NO-LX Audio Preset |
| PKG file extension | Nokia | Symbian OS Installation Package Settings Format |
| PKGDEF file extension | Microsoft Corporation | Microsoft Visual Studio Shell |
| PL4 file extension | Micrografx, Inc. | Micrografx Designer Graphic Palette |
| PLB file extension | MSC Software Corporation | MSC.Fatigue Improved Performance Patch |
| PLH file extension | Corel Corporation | Corel PaintShop Photo Pro Presets |
| PLIST file extension | N/A | Apple Property List XML Format |
| PLS file extension | Pico Technology | PicoLog Settings Format |
| PLSX file extension | N/A | Xtreamer Internet Radio Playlist |
| PLTCFG file extension | Bentley Systems, Incorporated | MicroStation Printer Driver Configuration |
| PLTN file extension | Apple, Inc. | Appearance Manager Platinum |
| PMC file extension | Microsoft | Windows Performance Monitor Chart Settings Format |
| PMJ file extension | David Harris | Pegasus Mail WinPMail State Format |
| PMK file extension | David Harris | Pegasus Mail Keyboard Setting |
| PML file extension | CACR | Pyre Properties Format |
| PMP file extension | Autodesk | AutoCAD Plotter Model Parameters Format |
| PMPD file extension | Panasonic Corporation | Panasonic Camcorder Extra |
| PMPPKG file extension | David Harris | Pegasus Mail Preferences Package |
| PNC file extension | Palm, Inc. | Palm OS Configuration |
| PNCH file extension | RealNetworks, Inc. | RealPlayer For Mac Channel |
| PND file extension | David Harris | Pegasus Mail Connection Information |
| PNP file extension | David Harris | Pegasus Mail POP3 Server Side Filter Rule |
| PNST file extension | RealNetworks, Inc. | RealAudio Preferences |
| POLICY file extension | Oracle Corporation | Java Policy |
| POPUPSKIN file extension | Miranda IM Project | Miranda Pop-up Skin Settings |
| POW file extension | Microsoft Corporation | Microsoft Windows XP Power Schema |
| PPML file extension | N/A | Personalized Print Markup Language |
| PPW file extension | Micrografx, Inc. | Micrografx Picture Publisher Wizard |
| PQZ file extension | Mystic Fractal | QuaSZ Palette |
| PR file extension | N/A | EROSION 3D Precipitation Parameters |
| PRA file extension | Microsoft | Microsoft Windows Media Adobe Premiere Plug-in Profile Format |
| PREF file extension | N/A | Macintosh Preferences Format |
| PRESET file extension | The Iconfactory | Flare Graphic Effect Preset |
| PRF file extension | Microsoft | Preferences Or Profile Format |
| PRFL file extension | N/A | Netscale User Profile |
| PRFPSET file extension | Adobe Systems | Adobe Premiere Pro Effect Preset Format |
| PRODUCT file extension | The Eclipse Foundation | Eclipse IDE Product Settings |
| PROF file extension | N/A | Profile |
| PROFILES file extension | W3C | Amaya Configuration |
| PROFIMAIL file extension | Lonely Cat Games | ProfiMail Settings Format |
| PROJECTPROPERTIES file extension | Alpha Software, Inc. | Alpha Five Project Properties |
| PROPDESC file extension | Microsoft | Microsoft Property Description Format |
| PROPERTIES file extension | Sun Microsystems | Java Properties Format |
| PROPERTIESJET file extension | The Eclipse Foundation | Eclipse IDE Template |
| PROPS file extension | Microsoft | Microsoft Visual Studio Property Sheet Format |
| PROVXML file extension | Microsoft Corporation | Microsoft Windows Mobile Settings |
| PRS file extension | Traction Software | Batch & Print Pro Printer Settings Format |
| PRSL file extension | Adobe Systems Incorporated | Adobe Premiere Style Library |
| PRST file extension | Adobe Systems | Adobe InDesign Printer Presets Format |
| PRX file extension | Microsoft | Windows Media Player Media Format |
| PS1XML file extension | Microsoft | Microsoft Windows PowerShell Display Configuration Format |
| PSC1 file extension | Microsoft | Microsoft Windows PowerShell Console Format |
| PSF file extension | Adobe Systems | Adobe Photoshop Proof Setup Format |
| PSPCMYKPROFILE file extension | Corel Corporation | PaintShop Pro Profile |
| PSPWORKSPACE file extension | Corel Corporation | PaintShop Pro Workspace |
| PSTPL file extension | Limesurvey Project | Limesurvey Template Related |
| PSY file extension | Synthesoft | Psychedelic Screen Saver Saved Settings Format |
| PTF file extension | Sony | Sony PlayStation Portable Theme Format |
| PTP file extension | The Sage Group plc | ACT! Modem Sync |
| PUI file extension | Peter Pawlowski | Foobar2000 Panels UI Configuration |
| PVS file extension | Parallels | Parallels Configuration Format |
| PVX file extension | Kitware, Inc. | ParaView Configuration XML |
| PWS file extension | Corel | Print Workshop Image Format |
| PXB file extension | Pixelmator Team | Pixibox Picture Image Format |
| PXG file extension | Pixelmator Team | Pixelmator Saved Gradients Format |
| PYT file extension | Python Software Foundation | Python Declaration |
| Q2D file extension | Nervepreserve | Quick3DCover Design Format |
| QAG file extension | Symantec Corporation | Norton Desktop Quick Access Group |
| QAT file extension | Microsoft Corporation | Microsoft Office Quick Access Toolbar Info |
| QBD file extension | Intuit Inc. | Quicken Keyboard Layout |
| QBP file extension | Intuit Inc. | QuickBooks Printer |
| QDR file extension | N/A | Q-Dir Configuration |
| QF file extension | Nokia | Nokia (Ovi) Maps Version Format |
| QHC file extension | Digia Oyj | Qt Help Collection |
| QIP file extension | Ilgam Zulkorneev | QIP PDA Account Settings |
| QM4 file extension | N/A | Qmail Options Or Services |
| QRC file extension | Nokia | Qt Resource Collection Format |
| QSK file extension | Quinnware | Quintessential Player Skin |
| QSP file extension | Pantaray Research | QSetup Installation Suite |
| QSS file extension | Nokia | Nokia Qt Style Sheet Format |
| QTF file extension | Ronald E. Mercer | Qtracker Filter |
| QTP file extension | Apple | Apple QuickTime Preferences Format |
| QVPP file extension | QlikTech International | QlikView Extension Properties Page Format |
| QVT file extension | QlikTech International | QlikView Theme Format |
| R1W file extension | Attachmate Corporation | Reflection Setting |
| R2W file extension | Attachmate Corporation | Reflection Settings |
| RASKINPLACE file extension | Raskin Software | Raskin Place Settings Format |
| RB file extension | hfrmobile | Rosebud Configuration Profile |
| RB4 file extension | Compucraft | RobotWorks Parameters Format |
| RBM file extension | Xojo, Inc. | Real Studio Menu |
| RBW file extension | Xojo, Inc. | Real Studio Window |
| RCF file extension | SonicWALL | SonicWALL VPN Configuration Format |
| RCT file extension | Microsoft | Microsoft Visual Studio Resource Template Format |
| RDF file extension | N/A | Resource Description Framework RSS Feed Format |
| RDI file extension | Blue Mist Injector | Red Dragon ISecure Settings Format |
| RDO file extension | N/A | Xerox Rawster Document Object Format |
| RDP file extension | Microsoft | Microsoft Windows Remote Desktop Connection Settings Format |
| RESMONCFG file extension | Microsoft | Microsoft Windows Resource Monitor Settings Format |
| RESOURCECONFIG file extension | Microsoft Corporation | Visual Studio Resource Configuration |
| RFQ file extension | Siber Systems | RoboForm SearchCard Format |
| RGD file extension | Chris Cannam and D. Michael McIntyre | Rosegarden Device Definition |
| RLL file extension | Microsoft | Resource Hacker Resource Library Format |
| RML file extension | LG Electronics | FTG Configuration Format |
| RMS file extension | Oracle | Java Application Settings Format |
| RMSKIN file extension | The Rainmeter Team | Rainmeter Skin Format |
| RNX file extension | RealNetworks | RealPlayer Audio Or Settings Format |
| RPB file extension | Famatech | Radmin Phonebook Format |
| RPK file extension | RadLight | RadLight Skin Format |
| RPR file extension | BMC Software, Inc. | AppSight Console Recording Profile |
| RPS file extension | Autodesk | 3D Studio Max Render Preset Settings Format |
| RPV file extension | RealNetworks, Inc. | RealPlayer Visualization |
| RRR file extension | altaVENTE | Rhapzodé Resource Repository |
| RRX file extension | IBM | IBM Datacap Define |
| RSF file extension | Attachmate Corporation | Reflection Setting |
| RSU file extension | Attachmate Corporation | Reflection For IBM Updated Settings |
| RTK file extension | Adobe Systems Incorporated | Adobe RoboHelp Configuration |
| RTL file extension | Yahoo, Inc. | Yahoo! Instant Messenger Ringtone Settings |
| RTS file extension | code4ward | Royal TS Remote Connection Format |
| RTSX file extension | code4ward | Royal TS Document Settings |
| RULESET file extension | Microsoft | Microsoft Visual Studio Code Analysis Ruleset Format |
| RVP file extension | Microsoft Corporation | Microsoft Scan Configuration |
| RWSTYLE file extension | Realmac Software | RapidWeaver Style Format |
| RXML file extension | Roxen Internet Software AB | Roxen Macro Language |
| RXP file extension | Roxio | Easy CD & DVD Creator 6 Playlist |
| RXS file extension | Roxio | AudioCentral Roxio Markup Sound |
| S2ML file extension | Blizzard Entertainment | StarCraft 2 Map Localization Format |
| S2QH file extension | Blizzard Entertainment | StarCraft 2 Localisation Header Format |
| S2QL file extension | Blizzard Entertainment | StarCraft 2 Unit Localisation Format |
| S8L file extension | SAP AG | SAP GUI |
| SBE file extension | Safer-Networking Ltd. | Spybot Excludes |
| SBV file extension | YouTube Captions Format | |
| SCACFG file extension | Solutions Etcetera | SuperCard Application Configuration Format |
| SCHEME file extension | SourceTec Software Co., LTD | Sothink Logo Maker Color Scheme |
| SCONSCRIPT file extension | N/A | SCons SConscript Configuration |
| SCPCFG file extension | Solutions Etcetera | SuperCard Project Configuration Format |
| SDE file extension | Ventis Media, Inc. | MediaMonkey Equalizer Presets |
| SDLPROFILE file extension | SDL plc. | TRADOS Exported User Settings |
| SECURITYSETTINGS file extension | Alpha Software, Inc. | Alpha Five Security Settings |
| SED file extension | Microsoft | Self Extracting Directive Format |
| SEESTYLE file extension | Panic | Coda For Mac Style Sheet Format |
| SEM file extension | Alpha Software, Inc. | Alpha Five Set Objects |
| SEQU file extension | Adobe Systems | Adobe Acrobat Sequence Format |
| SERVERDEF file extension | N/A | Server Definition |
| SERVERSTYLE file extension | Esri | ESRI ServerStyle |
| SET file extension | N/A | Configuration Format |
| SETTINGCONTENT-MS file extension | Microsoft Corporation | Microsoft Windows 8.1 Configuration |
| SETTINGS file extension | Microsoft | Microsoft Visual Studio Settings Format |
| SFO file extension | N/A | CuteFTP Search Format |
| SG file extension | Micrografx, Inc. | SnapGraphix User |
| SGT file extension | IBM | SSPS Chart Template Format |
| SHADOW file extension | Neuber Software | FontTwister Shadow |
| SHH file extension | Adobe Systems | Adobe Photoshop Shadow Or Highlight Settings Format |
| SIF file extension | Microsoft | Microsoft Windows NT Setup Installation Format |
| SIZ file extension | Oracle Corporation | Oracle 7 Configuration |
| SKI file extension | Motorola | Motorola Mobile Phone Skin Format |
| SKIN file extension | Microsoft | Skin Format |
| SKN file extension | Nokia | Skin Format |
| SKZ file extension | SuperKaramba | SuperKaramba Theme Format |
| SL file extension | N/A | Unix Software License Format |
| SLDCLR file extension | SolidWorks Corporation | SolidWorks Colour Palette |
| SLDREG file extension | SolidWorks Corporation | SolidWorks Settings |
| SLT file extension | Mozilla | Mozilla Firefox/Thunderbird User Profile Folder Format |
| SLZ file extension | Adobe Systems Incorporated | Adobe RoboHelp Screen Layout |
| SMPRF file extension | iolo technologies, LLC. | System Mechanic Microsoft Windows Startup Profile |
| SMR file extension | Überware | Smedge2 Job Settings |
| SMT file extension | Samsung | Samsung Mobile Phone Theme Format |
| SMX file extension | Nicholas Decker | SysMetrix Skin |
| SNAGSTYLES file extension | TechSmith Corporation | SnagIt Style |
| SNC file extension | The Sage Group plc | ACT! E-mail/folder Synchronization |
| SNX file extension | Pi Innovo | PiSnoop Workspace Format |
| SOL file extension | Adobe Systems | Adobe Flash Shared Object Format |
| SOUNDSTUDIOPRESET file extension | Felt Tip Inc. | Sound Studio Preset |
| SPDESIGNCONFIG file extension | Microsoft Corporation | SharePoint Designer Configuration |
| SPDESIGNSKIN file extension | Microsoft Corporation | SharePoint Designer Skin |
| SPF file extension | Sling Media | SlingPlayer Saved Favourites Format |
| SPFX file extension | Sorenson Media | Squeeze Preset Format |
| SPJ file extension | IBM | SPSS Production Job Format |
| SPY file extension | N/A | SEO SpyGlass Project |
| SRF file extension | Steinberg Media Technologies | Steinberg Cubase Resource Format |
| SRP file extension | N/A | Checkpoint Exported VPN Client Information |
| SRS file extension | Microsoft | Microsoft Outlook Server Request Setting Format |
| SRU file extension | Sybase Inc. | PowerBuilder User Object |
| SRV file extension | N/A | FBB Initialization |
| SSB file extension | SmartSync Software | SmartSync Pro Program Setting |
| SSCS file extension | Saropa | Saropa Smart Copy Script |
| SSIS file extension | Synoptics Ltd | ProReveal Settings Format |
| SSL file extension | Nicolaudie | Sunlight ScanLibrary Format |
| SSL2 file extension | Nicolaudie | Sunlite Suite 2 ScanLibrary Settings Format |
| SSS file extension | Stardock | WindowBlinds Substyle Format |
| SSZ file extension | VIT Software, LLC. | Spider Player Skin |
| STARTUPINFO file extension | Psychology Software Tools | E-Prime 2.0 Startup Info Format |
| STB file extension | Autodesk | AutoCAD R2000 Plot Style Table |
| STE file extension | Adobe Systems | Adobe Dreamweaver Backup Site Settings Format |
| STF file extension | Microsoft | Microsoft ACME Setup Table Format |
| STFX file extension | IK Multimedia Production srl | SampleTank Settings |
| STIP file extension | IK Multimedia Production srl | SampleTank Instrument Preset |
| STORYISTTHEME file extension | Storyist Software | Storyist Application Theme Format |
| STRM file extension | Plex Media Center Team | Plex Media Server Settings |
| STRUCT file extension | Microsoft Corporation | Microsoft XPS Document Structure |
| STYLE file extension | SketchUp Style Format | |
| STYLES file extension | Valve Corporation | Steam Client GUI Resource |
| SUBLIME-BUILD file extension | Sublime HQ Pty Ltd | Sublime Text Build |
| SUBLIME-COMPLETIONS file extension | Sublime HQ Pty Ltd | Sublime Text Completions |
| SUBLIME-KEYMAP file extension | N/A | Sublime Text Keymap |
| SUBLIME-MENU file extension | Sublime HQ Pty Ltd | Sublime Text Menu |
| SUBLIME-MOUSEMAP file extension | Sublime HQ Pty Ltd | Subliem Text Mousemap |
| SUBLIME-SESSION file extension | Sublime HQ Pty Ltd | Sublime Text Session |
| SUBLIME-SETTINGS file extension | Sublime HQ Pty Ltd | Sublime Text Settings |
| SUBLIME-THEME file extension | Sublime HQ Pty Ltd | Sublime Text Theme |
| SUITE file extension | Stardock Corporation | Stardock WinStyles Suite |
| SURFPLACE file extension | Microsoft Corporation | Microsoft Money User Profile |
| SVB file extension | StatSoft, Inc. | Statistica Macro |
| SVN file extension | N/A | Personal Paint Slovenian Language User Interface |
| SVP file extension | Atomix Productions | Virtual DJ Visualization Effects |
| SW2 file extension | Softwrap | Softwrap License Format |
| SWB file extension | SolidWorks Corporation | SolidWorks Macro |
| SWE file extension | N/A | Personal Paint Swedish Language User Interface |
| SWIDTAG file extension | N/A | Software Identification Tag |
| SZ file extension | Nullsoft | Winamp Skin Format |
| T3D file extension | TicTacTi | TicTacTi Advertisement Definition Format |
| T4 file extension | TerrAlign | TerrAlign Alignment Configuration |
| TABULA-BUTTONS file extension | Softline | Tabula Button Library |
| TABULA-DOCSTYLE file extension | Softline | Tabula Document Settings |
| TAM file extension | TameDOS | Tame Program Settings |
| TBB file extension | Microsoft Corporation | Microsoft Office Toolbar Button |
| TBE file extension | N/A | TMPGEnc List |
| TBR file extension | JustSystems Corp. | SoftQuad XMetaL Configuration |
| TD2 file extension | Borland Software Corporation | Borland Turbo Debugger For Win32 Configuration |
| TDF file extension | 321 Studios | Total Annihilation Features Format |
| TERMINAL file extension | Apple | Apple Mac OS X Terminal Settings Format |
| TEXTMATE_INIT file extension | GNU Project | Unix Shell Script (bash) |
| TGB file extension | TheGreenBow | IPSec VPN Client VPN Configuration |
| TGP file extension | yougrids | ThumbGen Profile |
| THE file extension | Microsoft | Microsoft Plus! Pack Desktop Theme |
| THEM file extension | N/A | Microsoft Windows Desktop Theme |
| THEME file extension | Comodo Group | Comodo Theme Format |
| THEMEPACK file extension | Microsoft | Microsoft Windows 7 Theme Pack Format |
| THME file extension | Microsoft Corporation | Microsoft Theme Format |
| THMX file extension | Microsoft | Microsoft Office 2007/2010 Theme Format |
| TI0 file extension | Softline | Tabula Binary Settings And Initialization |
| TI1 file extension | Softline | Tabula Binary Settings And Initialization |
| TI2 file extension | Softline | Tabula Binary Settings And Initialization |
| TINF file extension | Microsoft Corporation | Microsoft Theme Info |
| TLL file extension | LG Electronics | LG TV Link-Loader Configuration Format |
| TLO file extension | IBM | SPSS User Table Lookup Format |
| TMPREFERENCES file extension | MacroMates Ltd. | TextMate Preference |
| TMTHEME file extension | MacroMates | TextMate Theme Format |
| TOS file extension | N/A | The Only Sheet Setting |
| TPARK file extension | GeekSpiff | ThemePark Project Format |
| TPL file extension | Adobe Systems | Adobe Photoshop Tool Preset Format |
| TPP file extension | National Geographic Maps | TOPO! Preferences |
| TR2 file extension | N/A | Borland Turbo Debugger Session-state Settings |
| TRX file extension | SDL | PASSOLO Translation Format |
| TSI file extension | Native Instruments | Traktor Pro MIDI Map Format |
| TSK file extension | N/A | Pocket PC Skin |
| TSM file extension | Beckhoff Automation | TwinCAT System Manager Configuration Format |
| TST file extension | Sergey Serkov | TagScanner Text Transform Script Format |
| TSW file extension | National Instruments Corporation | NI TestStand Workspace |
| TSZ file extension | Cerulean Studios | Trillian Skin Format |
| TTS file extension | SumTotal Systems | ToolBook Translation System Format |
| TUI file extension | National Instruments Corporation | NI LabWindows User Interface |
| TV file extension | Corel Corporation | Corel Paradox Table View Settings |
| TVF file extension | dataBased Intelligence, Inc. | DBASE Table View Settings |
| TVIXIE file extension | N/A | TViXiE Effects |
| TWC file extension | Turbosoft | TTWin Configuration Format |
| TWS file extension | Helios Software Solutions | TextPad Workspace |
| TWW file extension | ZANDAR Corporation | Tagwrite Template |
| TXM file extension | N/A | TrakAx Mixer Configuration Data |
| TXP file extension | WinShareSoft | Tweaking Toolbox XP Import/export Setting |
| TXR file extension | Corel Corporation | CorelDraw Custom |
| TYPEIT4ME file extension | Ettore Software | TypeIt4Me Clippings Format |
| TZI file extension | Microsoft Corporation | Microsoft Windows CE Time Zone Information |
| UAE file extension | N/A | WinUAE Configuration |
| UAV file extension | OpenPilot Foundation | OpenPilot UAV Settings |
| UBR file extension | Microsoft Corporation | IIS WCAT Configuration |
| UCP file extension | SmartWare Corporation | SmartWare Communications Profile |
| UCSETTINGS file extension | Anthony R. Daly | Universal Converter Settings |
| UCT file extension | UC Mobile | UC Browser Theme Format |
| UCX file extension | IronCAD | IronCAD Settings |
| UDCX file extension | Microsoft | Microsoft Office Universal Data Connection Format |
| UEW file extension | IDM Computer Solutions, Inc. | UltraEdit Wordfile |
| UIN file extension | ICQ LLC | ICQ 2001 Saved ICQ Contact Information |
| UIS file extension | Stardock | WindowBlinds Personality Format |
| UNS file extension | Nobeltec, Inc. | Visual Navigation Suite Export Or Import Settings |
| UNUSED file extension | Impressum | Photoline 4 Defaults |
| UPF file extension | Bentley Systems | MicroStation User Preference Format |
| UPL file extension | Teldas GmbH | INet-Server Request |
| UPP file extension | Artifex Software | Ghostscript Uniprint Unified Printer Parameter |
| URF file extension | Matinsoft Inc. | AppFace Skin |
| URS file extension | ControlDraw Ltd. | ControlDraw User Requirement Specifier |
| USC file extension | Analogue Process Control Services | USC Module Definition |
| USER file extension | Microsoft | Microsoft Visual Studio Project User Options Format |
| USERPROFILE file extension | Symantec | Norton Antivirus User Profile Format |
| UTI file extension | Safer-Networking Ltd. | Spybot - Search & Destroy Includes |
| UTS file extension | Safer-Networking Ltd. | Spybot - Search & Destroy Include |
| UTZ file extension | UIQ Technology | UIQ Theme Package |
| UUS file extension | BobaFett | Ultra Utility Skin |
| UVW file extension | Autodesk, Inc. | 3D Studio MAX UVW Coordinates |
| VBOX file extension | Oracle | VirtualBox Settings Format |
| VBX6SETTINGS file extension | Intego | VirusBarrier X6 Settings Format |
| VCG file extension | Georg Sander | Visualization Of Compiler Graphs (VCG) Graphic Specification |
| VCPREF file extension | Symantec | Symantec Shared Format |
| VCPROPS file extension | Microsoft Corporation | Microsoft Visual Studio 2008 Property Sheet |
| VCW file extension | Microsoft | EMbedded Visual C++ Workspace Format |
| VDIC file extension | LastBit Corp. | Password Recovery Dictionary |
| VE2 file extension | CyberLink Corp. | Cyberlink PowerDVD Settings |
| VEGASWINDOWLAYOUT file extension | Sony | Sony Vegas Window Settings Format |
| VFO file extension | Silicon Graphics, Inc. | Silicon Graphics Onyx2 Video Format Combiner |
| VGP file extension | Incendo Technology | Vectir Profile Group |
| VIM file extension | N/A | Vim Script Format |
| VIMRC file extension | N/A | Vim Runtime Configuration Format |
| VIN file extension | N/A | AWR Project Settings |
| VKM file extension | VICE | VICE Keyboard Setting |
| VLT file extension | VideoLAN | VLC Player Skin Format |
| VMAC file extension | VMware | VMware Configuration Format |
| VMBA file extension | VMware | VMware Configuration Format |
| VMC file extension | Microsoft | Microsoft Virtual PC Settings Format |
| VMCX file extension | Microsoft | Microsoft Virtual PC Virtual Machine Shell Information Format |
| VMOPTIONS file extension | ej-technologies GmbH | Install4j VM Parameters |
| VMPL file extension | VMware | WMvare Policy Format |
| VMTM file extension | VMware | VMware Team Configuration Format |
| VMX file extension | VMware | VMware Configuration Format |
| VMXF file extension | VMware | VMware Team Virtual Machine Configuration Format |
| VNC file extension | N/A | VNC Configuration Format |
| VNI file extension | Dell | Dell Webcam Central Application Configuration Format |
| VPH file extension | OptikVerve Labs | Virtual Pascal Help Format |
| VPN file extension | Qbik | WinGate VPN Configuration |
| VPR file extension | Adobe Systems Incorporated | Adobe Premiere Preset |
| VPS file extension | H+H Software | Virtual CD Copy Template |
| VQC file extension | H+H Software | Virtual CD Quick Copy Format |
| VRE file extension | ASG GMBH & CO. KG | ASG Remote Desktop Settings |
| VRP file extension | Incendo Technology | Vectir Profile Template |
| VSC file extension | McAfee, Inc. | McAffee VirusScan Configuration |
| VSCT file extension | Microsoft Corporation | Microsoft Visual Studio Command Table Configuration |
| VSIXLANGPACK file extension | Microsoft Corporation | Microsoft Visual Studio Localised VSIX Package |
| VSK file extension | PocketMind | PocketMusic Skin |
| VSPC file extension | Micro Research Institute, Inc. | 3D-Album Settings |
| VSPOLICYDEF file extension | Microsoft Corporation | Visual Studio Policy |
| VSPROPS file extension | Microsoft | Microsoft Visual Studio Project Property Sheet Format |
| VSSETTINGS file extension | Microsoft | Microsoft Visual Studio Settings Format |
| VSTDIR file extension | Microsoft Corporation | Microsoft Visual Studio Project Type Settings |
| VSTPRESET file extension | Steinberg Media Technologies GmbH | Cubase Preset |
| VSU file extension | Microsoft Corporation | Visio Custom User Interface |
| VSW file extension | N/A | Microsoft Visio Workspace Format |
| VTG file extension | SlickEdit | SlickEdit Workspace |
| VUE file extension | N/A | FoxPro View Settings Format |
| VWP file extension | Rainer Goebel | BrainVoyager QX Visualization Setting |
| VXP file extension | Synapsa Productions | VisiTrax Playlist |
| WB4 file extension | Stardock Corporation | WindowBlinds Default Skin |
| WBX file extension | AG.com, Inc. | Webshots |
| WC file extension | Ghisler Software GmbH | Total Commander File Tree Info |
| WCPL file extension | MaximumSoft Corp. | Webcopier Project Settings |
| WCX file extension | Microsoft | RemoteApp And Desktop Connections Configuration Format |
| WCZ file extension | Softshape Development | Chameleon Clock Wallpaper Format |
| WEBALLOWBLOCKLIST file extension | Microsoft Corporation | Windows Vista Parental Control Settings |
| WEBSETTINGS file extension | N/A | JEE2 Web Project Settings |
| WED file extension | Freedom Scientific, Inc. | JAWS Configuration |
| WFC file extension | Microsoft | Windows Wireless Network Settings Format |
| WFW file extension | Microsoft Corporation | Windows Firewall Policy Export |
| WFX file extension | Adobe Systems Incorporated | Adobe User Keyboard Shortcut Settings |
| WIMP file extension | Microsoft Corporation | Microsoft Windows Icon Palette |
| WLM file extension | Hewlett-Packard Company | HP-UX Workload Manager Configuration |
| WME file extension | Microsoft Corporation | Microsoft Windows Media Encoder Session Profile |
| WMS file extension | N/A | Windows Media Player Skins |
| WMZ file extension | Microsoft | Windows Media Player Compressed Skins Format |
| WORK file extension | Bibble Labs | Bibble Work Queue Format |
| WORKSPACE file extension | Adobe Systems | Adobe Applications Workspace Setting |
| WOS file extension | NobleTech Limited. | Words Of Worship Output Settings |
| WPJ file extension | Microsoft Corporation | Microsoft Works Wizard |
| WPP file extension | N/A | Corel WordPerfect Color Palette Format |
| WPS file extension | SDL | |
| WPZ file extension | Nullsoft, Inc. | WinAmp SkinZip |
| WS3 file extension | Robert McNeel & Associates | Rhino 3D Toolbar Collection |
| WSA file extension | Corel Corporation | Corel PaintShop Photo Pro Animation Shop Workspace |
| WSET file extension | Microsoft Corporation | Microsoft Word For Mac Settings |
| WSK file extension | Ashampoo GmbH & Co. KG | Whisset Media Player Skin |
| WSS file extension | Philippe Vaugouin | Web Screen Saver Configuration |
| WSSTYLES file extension | Microsoft Corporation | Microsoft Windows Vista Sidebar Style |
| WST file extension | Winstep | NextSTART Theme |
| WSW file extension | WinStep Software Technologies | WorkShelf Theme |
| WTI file extension | N/A | WebTranslateIt Configuration |
| WVXML file extension | Adrian Wright | AudioPlayer XML Playlist |
| WWB file extension | Corel Corporation | Corel WordPerfect Button Bar |
| WWK file extension | Corel Corporation | Corel WordPerfect Keyboard Layout |
| WWP file extension | Microsoft Corporation | Microsoft Works Wizards |
| WWS file extension | Microsoft Corporation | Microsoft Works Wizards |
| WYP file extension | wyDay | WyBuild Definitions |
| WYS file extension | wyDay | WyBuild Server |
| WZCONFIG file extension | Corel | WinZip E-mail Configuration Format |
| X4K file extension | Optimal Performance | XML4King Configuration Format |
| XCCONFIG file extension | Apple, Inc. | Apple Xcode Configuration Settings |
| XCH file extension | Link-Assistant.com | LinkAssistant Project Settings |
| XCI file extension | Adobe Systems Incorporated | Adobe Reader Font Mapping |
| XCSCHEME file extension | Apple, Inc. | Apple Xcode Scheme |
| XCU file extension | OpenOffice.org | OpenOffice.org Extension Control Format |
| XDC file extension | Adobe Systems Incorporated | Adobe Acrobat Printer Description |
| XDFL file extension | XDFLengine Team | XDFL Configuration |
| XDOCLET file extension | Red Hat, Inc. | JBoss XDoclet Reference |
| XDR file extension | Microsoft | XML Data Reduced Format |
| XEM file extension | N/A | X-Genics EManager Metered Units |
| XEP file extension | N/A | EManager File Packing Definition |
| XES file extension | N/A | X-Genics EManager Skins Definition |
| XET file extension | N/A | X-Genics EManager Process Definition |
| XEV file extension | N/A | X-Genics EManager Auto-update Format |
| XFP file extension | Microsoft Corporation | Microsoft SharePoint Extending Form Library Properties |
| XGLL file extension | AFMG Technologies GmbH | EASE SpeakerLab Text |
| XGS file extension | Microsoft | XACT Global Settings Format |
| XILINC file extension | SourceForge.net | Xilize Defintion |
| XILIZE file extension | SourceForge.net | Xilize Configuration |
| XIP file extension | N/A | Xbox Dashboard |
| XLB file extension | Microsoft | Microsoft Excel Toolbars Format |
| XLB4 file extension | Microsoft Corporation | Microsoft Excel 4 For Mac Toolbars |
| XLB5 file extension | Microsoft Corporation | Microsoft Excel 5 For Mac Toolbars |
| XLB8 file extension | Microsoft Corporation | Microsoft Excel 98 For Mac Toolbars |
| XLBN file extension | Microsoft Corporation | Microsoft Excel 1 For Mac Toolbars |
| XLPF file extension | Microsoft Corporation | Microsoft Excel For Mac Setting |
| XMC file extension | Lingoes Project | Lingoes Configuration |
| XMPSKIN file extension | Un4seen Developments | XMPlay Skin |
| XOJO_BINARY_MENU file extension | Xojo, Inc. | Xojo Binary Menu |
| XOJO_BINARY_WINDOW file extension | Xojo, Inc. | Xojo Binary Window |
| XOJO_MENU file extension | Xojo, Inc. | Xojo Menu |
| XOJO_WINDOW file extension | Xojo, Inc. | Xojo Window |
| XOJO_XML_MENU file extension | Xojo, Inc. | Xojo XML Menu |
| XOJO_XML_WINDOW file extension | N/A | Xojo XML Window |
| XPADDERCONTROLLER file extension | Xpadder | Xpadder Controller Layout Format |
| XPADDERPROFILE file extension | N/A | Xpadder Settings |
| XPL file extension | LcdStudio | LcdStudio Configuration Playlist |
| XPL2 file extension | Skyline Software Systems Inc. | TerraExplorerPro LOD Parameter |
| XPX file extension | XP Software Inc. | RAFTS-XP Macro |
| XRX file extension | Microsoft Corporation | Expression Encoder Media Profile Settings |
| XST file extension | IBM | IBM WebSphere Query Template Format |
| XTD file extension | N/A | XML Type Definition |
| XTERME file extension | WinStep Software Technologies | Winstep Extreme Theme |
| XTP file extension | Autodesk | AutoCAD Exported Tool Palettes Format |
| XTREME file extension | Winstep Software Technologies | Winstep Xtreme Theme Pack Format |
| XUI file extension | Microsoft | Xbox 360 Skin Format |
| XUR file extension | Microsoft | Xbox 360 Compiled Skin Format |
| XVM file extension | VMware | VMware Console Configuration Format |
| XWK file extension | Intel | Crosstalk Keyboard Mapping Format |
| YBC file extension | SUSE | SUSE Linux Enterprise Server Display Settings |
| YCP file extension | SUSE | SUSE Linux Enterprise Server Display Settings |
| YEL file extension | N/A | Yellow Color Separation |
| YPF file extension | David Binette | YahELite Configuration |
| ZAP file extension | N/A | Microsoft Windows Software Installation Settings Format |
| ZC file extension | Eric Isaacson Software | Zipkey Configuration |
| ZCFG file extension | Wrensoft | Zoom Search Engine Configuration |
| ZDTC file extension | N/A | Adobe After Effects Language Settings |
| ZMX file extension | ZEMAX Development Corporation | ZEMAX Lens |
| ZON file extension | Verity | Collection Building Custom Zone Format |
| ZPF file extension | AutoDesSys | Form•Z Preferences Format |
| ZPI file extension | Nuance Communications | Nuance PDF Converter Index Format |
| ZPRF file extension | Tom Brown | ZipIt Preference |
| ZSC file extension | Zend Technologies Ltd. | Zend Studio Server Settings |
| ZSK file extension | N/A | Zoner Media Explorer Skin |
| ZTM file extension | ZTree | ZTreeWin Macro |
| ZUP file extension | Microsoft Corporation | Microsoft Business Solutions Navision Configuration |
| ZVT file extension | Adobe Systems | Photoshop Zoomify Preset Format |
| ZZB file extension | FutureSoft, Inc. | FutureSoft MultiView Configurable Toolbar |
| ZZC file extension | FutureSoft, Inc. | FutureSoft MultiView Connection Details |
| ZZD file extension | FutureSoft, Inc. | FutureSoft MultiView Wizard Defaults |
| ZZE file extension | FutureSoft, Inc. | FutureSoft MultiView Emulation Details |
| ZZF file extension | FutureSoft, Inc. | FutureSoft MultiView File Transfer Configuration |
| ZZK file extension | FutureSoft, Inc. | FutureSoft MultiView Keyboard Mapping |
| ZZP file extension | FutureSoft, Inc. | FutureSoft MultiView Configurable Pop-up Menu |
| ZZT file extension | FutureSoft, Inc. | FutureSoft MultiView Terminal Configuration |
| _PLAYMUSICID file extension | Google Inc. | Android Google Play Music Id |
Web Developer acting on his own, author of Internet solutions facilitating working with new technologies for less advanced users. Internet maniac.
