| File extension | Developer/Producer | File description |
|---|---|---|
| !@! file extension | Microsoft Corporation | Windows Backup Of WIN.INI Format |
| ### file extension | Microsoft Corporation | DoubleSpace Compressed Volume Format |
| $DB file extension | N/A | DBASE IV Temporary Format |
| $ID file extension | N/A | Steinberg Cubase Compressed Format |
| $LL file extension | Steinberg Media Technologies GmbH | Steinberg Cubase Compressed Format |
| --- file extension | Microsoft Corporation | Microsoft Backup File Set |
| 0 file extension | Dr. Software | Compressed Harddisk Data Format |
| 000 file extension | Microsoft | DoubleSpace Compressed Data Format |
| 001 file extension | Symantec | Norton Ghost Disk Image Span Format |
| 002 file extension | N/A | Compressed File From A Multi-volume Archive (part 2) |
| 003 file extension | N/A | Generally Split Archive Or Backup File (part 003) |
| 004 file extension | N/A | Generally Split Archive Or Backup File (part 004) |
| 005 file extension | N/A | Generally Split Archive Or Backup File (part 005) |
| 006 file extension | N/A | Generally Split Archive Or Backup File (part 006) |
| 007 file extension | N/A | Generally Split Archive Or Backup File (part 007) |
| 008 file extension | Igor Pavlov | Compressed File From A Multi-volume Archive (part 8) |
| 009 file extension | N/A | Generally Split Archive Or Backup File (part 009) |
| 00B file extension | PenSoft | PenSoft Payroll Backup Format |
| 010 file extension | N/A | Generally Split Archive Or Backup File (part 010) |
| 011 file extension | Igor Pavlov | Compressed File From A Multi-volume Archive (part 11) |
| 012 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 12) |
| 013 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 13) |
| 014 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 14) |
| 015 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 15) |
| 016 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 16) |
| 017 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 17) |
| 018 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 18) |
| 019 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 19) |
| 01B file extension | Paychex, Inc. | PenSoft Payroll Backup Format |
| 01_ file extension | N/A | Winfunktion Mathematic V8.0 Julia Fractal |
| 020 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 20) |
| 021 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 21) |
| 022 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 22) |
| 023 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 23) |
| 024 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 24) |
| 025 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 25) |
| 026 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 26) |
| 027 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 027) |
| 028 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 28) |
| 029 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 29) |
| 02_ file extension | N/A | Winfunktion Mathematic V8.0 Julia Fractal |
| 030 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 30) |
| 031 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 31) |
| 032 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 32) |
| 033 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 33) |
| 034 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 34) |
| 035 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 35) |
| 036 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 36) |
| 037 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 37) |
| 038 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 38) |
| 039 file extension | Igor Pavlov | Split File Or Compressed File From A Multi-volume Archive (part 39) |
| 03_ file extension | N/A | Winfunktion Mathematic V8.0 Julia Fractal |
| 040 file extension | N/A | Compressed Archive |
| 041 file extension | N/A | Compressed Archive |
| 042 file extension | N/A | Compressed Archive |
| 043 file extension | N/A | Compressed Archive |
| 044 file extension | N/A | Compressed Archive |
| 045 file extension | N/A | Compressed Archive |
| 046 file extension | N/A | Compressed Archive |
| 047 file extension | N/A | Compressed Archive |
| 048 file extension | N/A | Compressed Archive |
| 049 file extension | N/A | Compressed Archive |
| 04_ file extension | N/A | Winfunktion Mathematik V8.0 Julia Fractal |
| 050 file extension | N/A | Split Or Compressed Archive |
| 051 file extension | N/A | Compressed Archive |
| 052 file extension | N/A | Compressed Archive |
| 053 file extension | N/A | Compressed Archive |
| 054 file extension | N/A | Compressed Archive |
| 055 file extension | N/A | Compressed Archive |
| 056 file extension | N/A | Compressed Archive |
| 057 file extension | N/A | Compressed Archive |
| 058 file extension | N/A | Compressed Archive |
| 059 file extension | N/A | Compressed Archive |
| 060 file extension | N/A | Compressed Archive |
| 061 file extension | N/A | Compressed Archive |
| 062 file extension | N/A | Compressed Archive |
| 063 file extension | N/A | Compressed Archive |
| 064 file extension | N/A | Compressed Archive |
| 065 file extension | N/A | Compressed Archive |
| 066 file extension | N/A | Compressed Archive |
| 067 file extension | N/A | Compressed Archive |
| 068 file extension | N/A | Compressed Archive |
| 069 file extension | N/A | Compressed Archive |
| 070 file extension | N/A | Compressed Archive |
| 071 file extension | N/A | Compressed Archive |
| 072 file extension | N/A | Compressed Archive |
| 073 file extension | N/A | Compressed Archive |
| 074 file extension | N/A | Compressed Archive |
| 075 file extension | N/A | Compressed Archive |
| 076 file extension | N/A | Compressed Archive |
| 077 file extension | N/A | Compressed Archive |
| 078 file extension | N/A | Compressed Archive |
| 079 file extension | N/A | Compressed Archive |
| 080 file extension | N/A | Compressed Archive |
| 081 file extension | N/A | Compressed Archive |
| 082 file extension | N/A | Compressed Archive |
| 083 file extension | N/A | Compressed Archive |
| 084 file extension | N/A | Compressed Archive |
| 085 file extension | N/A | Compressed Archive |
| 086 file extension | N/A | Compressed Archive |
| 087 file extension | N/A | Compressed Archive |
| 088 file extension | N/A | Compressed Archive |
| 089 file extension | N/A | Compressed Archive |
| 090 file extension | N/A | Compressed Archive |
| 091 file extension | N/A | Compressed Archive |
| 092 file extension | N/A | Compressed Archive |
| 093 file extension | N/A | Compressed Archive |
| 094 file extension | N/A | Compressed Archive |
| 095 file extension | N/A | Compressed Archive |
| 096 file extension | N/A | Compressed Archive |
| 097 file extension | N/A | Compressed Archive |
| 098 file extension | N/A | Compressed Archive |
| 099 file extension | N/A | Compressed Archive |
| 113 file extension | N/A | Iomega Backup Format |
| 2 file extension | Indigo Rose Corporation | Setup Factory 6.0 Setup Launcher |
| 201 file extension | Star Finanz GmbH | StarMoney Agent Rollback |
| 232 file extension | Microsoft Corporation | Microsoft Office Install |
| 7-Z file extension | Igor Pavlov | 7z Compressed Archive |
| 7-ZIP file extension | Igor Pavlov | 7z Compressed Archive |
| 73B file extension | Texas Instruments | TI-73 Backup Format |
| 7Z file extension | 7-Zip | 7-ZIP Compressed 7z Archive Format |
| 7Z001 file extension | 7-Zip | Split Multi-volume 7-ZIP Compressed File Archive (part 1) |
| 7Z002 file extension | 7-Zip | Split Multi-volume 7-ZIP Compressed File Archive (part 2) |
| 7Z003 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 3) |
| 7Z004 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 4) |
| 7Z005 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 5) |
| 7Z006 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 6) |
| 7Z007 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 7) |
| 7Z008 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 8) |
| 7Z009 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 9) |
| 7Z010 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 10) |
| 7Z011 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 11) |
| 7Z012 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 12) |
| 7Z013 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 13) |
| 7Z014 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 14) |
| 7Z015 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 15) |
| 7Z016 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 16) |
| 7Z017 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 17) |
| 7Z018 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 18) |
| 7Z019 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 19) |
| 7Z020 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 20) |
| 7Z021 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 21) |
| 7Z022 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 22) |
| 7Z023 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 23) |
| 7Z024 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 24) |
| 7Z025 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 25) |
| 7Z026 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 26) |
| 7Z027 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 27) |
| 7Z028 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 28) |
| 7Z029 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 29) |
| 7Z030 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 30) |
| 7Z031 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 31) |
| 7Z032 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 32) |
| 7Z033 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 33) |
| 7Z034 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 34) |
| 7Z035 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 35) |
| 7Z036 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 36) |
| 7Z037 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 37) |
| 7Z038 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 38) |
| 7Z039 file extension | Igor Pavlov | Split Multi-volume 7-ZIP Compressed File Archive (part 039) |
| 7ZIP file extension | Igor Pavlov | 7-Zip 7z Compressed Archive |
| 999 file extension | N/A | Sage Backup |
| 9M1 file extension | N/A | WinRAR Split Archive Part 1 |
| ??$ file extension | N/A | MsCompress Archive |
| A00 file extension | ESTsoft | Split Multi-volume ARJ Compressed File Archive (part 2) |
| A01 file extension | ESTsoft | Split Multi-volume ARJ Compressed File Archive (part 3) |
| A02 file extension | ESTsoft | Split Multi-volume ARJ Compressed File Archive (part 4) |
| A03 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 5) |
| A04 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 6) |
| A05 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 7) |
| A06 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 8) |
| A07 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 9) |
| A08 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 10) |
| A09 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 11) |
| A1 file extension | Free Pascal team | Free Pascal Archive |
| A10 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 12) |
| A11 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 13) |
| A12 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 14) |
| A13 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 15) |
| A14 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 16) |
| A15 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 17) |
| A16 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 18) |
| A17 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 19) |
| A18 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 20) |
| A19 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 21) |
| A20 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 22) |
| A32 file extension | ARJ Software, Inc. | Split Multi-volume ARJ Compressed File Archive (part 34) |
| A7E file extension | Adobe Systems Incorporated | Adobe Authorware Packaged Library |
| AAR file extension | Apache Software Foundation | Apache Axis2 Archive |
| ABA file extension | Palm | Palm Address Book Archive Format |
| ABBU file extension | N/A | Apple Address Book Archive Format |
| ABK file extension | N/A | Ability Write Backup Format |
| ACE file extension | WinAce | WinACE Compressed Ace Archive Format |
| ACP file extension | Alfresco Software | Alfresco Exported Repository Format |
| ACR file extension | Acer | Acer ERecovery Management Backup Format |
| ACU file extension | N/A | NuFX Applelink Archive |
| ADI file extension | Active@ Data Recovery Software | Active@ Disk Image Format |
| ADK file extension | IBM | OS/2 Saved SKF Format |
| ADSM file extension | Nikolas Ehrenberg | Advanced Split Machine Split |
| AEA file extension | Google AdWords Editor Archive Format | |
| AFA file extension | Fantiusen Software | Astrotite Compressed Data |
| AFO-XVID file extension | N/A | Compressed Video |
| AIN file extension | N/A | AIN Compressed File Archive |
| AJA file extension | AJC Systems Ltd. | Backup Revision Control Archive |
| AJL file extension | CA Technologies | CA ARCserve Backup Journal |
| ALZ file extension | ESTsoft | ALZip Compressed Format |
| AMK file extension | MechCAD | AceMoney Backup |
| ANTIFRAG file extension | N/A | DC++ Incomplete Download |
| AOP file extension | Red Hat, Inc. | JBoss AS JAR Archive |
| APPLE file extension | N/A | Apple AppleSingle Data |
| APPV file extension | Microsoft Corporation | App-V Archive |
| APZ file extension | Indigo Rose | AMS Shared Project Format |
| AR file extension | N/A | Linux/Unix Command Library Format |
| ARC file extension | Nokia | FreeArc Compressed Format |
| ARCHIVER file extension | Incredible Bee | Incredible Bee Archiver Archive |
| ARH file extension | Siemens | Siemens ProTool Compressed Project Format |
| ARI file extension | N/A | ARI Compressed File Archive |
| ARJ file extension | ARJ Software | ARJ Compressed Archive Format |
| ARK file extension | ARK11 | ARC File Archiver CPM/Port Archive Format |
| ARM file extension | Oracle Corporation | MySQL Archive Storage Engine Metadata |
| ARN file extension | DSW Software Team | CD Autorun Creator Package |
| ART6 file extension | Articulate Global, Inc. | Articulate Presenter Compressed |
| ARZ file extension | Oracle Corporation | MySQL Archive Storage Engine Data |
| AS4 file extension | askSam Systems | AskSam Backup Format |
| AS4A file extension | Promethean World plc | ActivInspire Resource Pack |
| ASD file extension | Microsoft | Microsoft Word Auto-save Document Format |
| ASHBAK file extension | Ashampoo | Ashampoo Burning Studio Backup Archive Format |
| AS_ file extension | Microsoft Corporation | Winhelp Compressed |
| ATE file extension | Microsoft | Microsoft Office Accounting Compressed Backup Format |
| ATI file extension | Microsoft | Microsoft Office Accounting Updated Company Format |
| ATPZ file extension | VSoft Technologies Pty Ltd | Automise Compressed Project |
| AVZ file extension | Jerry Blinn | AviSys Backup |
| AWI file extension | America Online, Inc. | AIM Widget Package |
| AWZIP file extension | ActiveWord Systems, Inc. | ActiveWords Compressed Solution |
| AXR file extension | ElcomSoft Co. Ltd. | ElcomSoft Adcanced Archive Password Recovery |
| AXX file extension | N/A | AxCryot Encrypted Format |
| AZA file extension | N/A | QazaR Archive Compressed |
| B1 file extension | Catalina Group | B1 Compressed Archive |
| B64 file extension | N/A | ASCIIi Base64 MIME Encoded Archive Format |
| BA file extension | Scifer | Scifer Archive External Archive Format |
| BAC file extension | Avantrix | Backup Plus Backup Format |
| BACKUP file extension | N/A | Android Backup Format |
| BACKUPDB file extension | Apple | Apple Time Machine Backup Folder Format |
| BAI file extension | BID2WIN Software Inc. | BUILD2WIN Add-in |
| BAK file extension | N/A | Backup Format |
| BAK3 file extension | CRYTEK | Crysis Backup |
| BAK~ file extension | AbiSource | AbiWord Auto-saved Document Format |
| BAZ file extension | ACCEO Solutions Inc. | Acomba Accounting Suite Backup |
| BBA file extension | Ubisoft Entertainment S.A. | BlueByte Archive |
| BBB file extension | Research In Motion | BlackBerry Backup (post 2012) Format |
| BBK file extension | N/A | TreePad Backup |
| BBZ file extension | Bellshare | BeBuzz Backup Format |
| BC6 file extension | Cashflow Manager Pty Ltd. | Cashflow Manager 2006 Backup |
| BC7 file extension | Cashflow Manager Pty Ltd. | Cashflow Manager 2007 Backup |
| BCA file extension | Nemetschek AG | Allplan Backup Catalog |
| BCK file extension | N/A | VMX Backup Format |
| BCKP file extension | Lavasoft | Ad-Aware Quarantined Format |
| BCM file extension | Microsoft | Microsoft Works Communications Script Backup Format |
| BDB file extension | Microsoft | Microsoft Works Database Backup Format |
| BEE file extension | Andrew Filinsky | Bee Archiver Compressed Archive |
| BEL file extension | N/A | Belon Compressed Archive |
| BFF file extension | IBM | AIX Backup Format |
| BFW file extension | SmartWare Corporation | SmartWare Backup Cross-tab |
| BH file extension | ZipTV | ZipTV BlakHole Archive File Format |
| BIFX file extension | BeLight Software | Get Backup Project |
| BJF file extension | NTI Corporation | NTI Backup Now Related |
| BK! file extension | Corel Corporation | Corel WordPerfect Document Backup |
| BK0 file extension | Aspen Technology, Inc. | Aspen HYSYS Backup |
| BK1 file extension | Autodesk | Autodesk AutoCAD Backup Format |
| BK3 file extension | Corel Corporation | Corel WordPerfect Document Backup |
| BK4 file extension | Corel Corporation | Corel WordPerfect Document Backup |
| BK5 file extension | Corel Corporation | Corel WordPerfect Document Backup |
| BK6 file extension | Corel Corporation | Corel WordPerfect Document Backup |
| BK7 file extension | Corel Corporation | Corel WordPerfect Document Backup |
| BK8 file extension | Corel Corporation | Corel WordPerfect Document Backup |
| BK9 file extension | Corel Corporation | Corel WordPerfect Document Backup |
| BKC file extension | Softland | Backup4all Catalog Format |
| BKF file extension | N/A | Microsoft Backup Format |
| BKI file extension | IBM | IBM BookManager Backup Index |
| BKO file extension | Wisco | Wisco Backup Outlook Backup |
| BKP file extension | Zaplots | Backup Format |
| BKU file extension | The Sage Group plc | Timeslips Backup |
| BKUP file extension | N/A | Wherigo Cartridge Backup Format |
| BKY file extension | SmartWare Corporation | SmartWare Backup Keyboard |
| BKZ file extension | NCH Software | FileFort Backup |
| BLEND1 file extension | Blender | Blender Backup Format |
| BLEND2 file extension | Blender | Blender Document Backup Format |
| BM3 file extension | Sony Ericsson | Sony Ericsson Backup Format |
| BMA file extension | Alexander Cherenkov | Compressed Archive |
| BNDL file extension | N/A | Bundle File Format |
| BNHQ file extension | Yves Lempereur | BinHex Archive |
| BOO file extension | N/A | Microsoft Booasm.arc Encoded File Archive |
| BOZ file extension | Julian Seward | BZIP Compressed Archive |
| BP0 file extension | SmartWare Corporation | SmartWare Backup Project |
| BP1 file extension | SmartWare Corporation | Smartware Backup Document |
| BP4 file extension | SmartWare Corporation | SmartWare Backup Project |
| BPA file extension | SimpleTech | StorageSync Backup Archive Format |
| BPB file extension | Sybase | PowerDesigner Business Process Backup Format |
| BPM file extension | Sybase | PowerDesigner Business Process Model Format |
| BPN file extension | GRAPHISOFT | ArchiCAD Backup Format |
| BPP file extension | SoftVelocity | Clarion Backup Application |
| BPS file extension | Microsoft | Microsoft Works Document Backup Format |
| BPSD file extension | AVANTRIX Inc. | Backup Plus |
| BSMZ file extension | N/A | Compressed BSML |
| BSQ file extension | Apple, Inc. | BinScii Binary Archivne |
| BSR file extension | N/A | Bacula Restore |
| BSZ file extension | bs.global organization | BSplayer Compressed Skin |
| BTX file extension | SmartWare Corporation | SmartWare Backup Text |
| BUC file extension | Adobe Systems Incorporated | Adobe Photoshop Elements Backup |
| BUP file extension | N/A | Backup Of DVD Info Format |
| BVS file extension | SmartWare Corporation | SmartWare Backup Standard View |
| BVW file extension | SmartWare Corporation | SmartWare Backup Standard View |
| BVX file extension | Bravura Software, LLC | OptiTune Install Package |
| BZ file extension | N/A | BZIP Compressed File Archive |
| BZ1 file extension | N/A | WinTOTAL Automatic Backup |
| BZ2 file extension | N/A | Bzip2 Compressed File Archive |
| BZA file extension | N/A | IZArc BGA Archive |
| BZIP file extension | N/A | Bzip Compressed Archive |
| BZIP2 file extension | Bzip | BZIP Compressed Archive Format |
| BZP2 file extension | Julian Seward | BZIP2 Archive |
| C00 file extension | e-merge | Split Multi-volume ACE Compressed File Archive |
| C01 file extension | e-merge | Split Multi-volume ACE Compressed File Archive |
| C02 file extension | e-merge | Split Multi-volume ACE Compressed File Archive |
| C03 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C04 file extension | N/A | Split Multi-volume ACE Compressed File Archive |
| C05 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C06 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C07 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C08 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C09 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C10 file extension | E-merge | Split Multi-volume ACE Compressed File Archive |
| C24 file extension | PowerQuest | Drive Image Ace |
| C39 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C40 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C41 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C42 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C43 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C44 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C45 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C46 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C47 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C48 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C49 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C50 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C51 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C52 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C53 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C54 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| C55 file extension | e-merge GmbH | Split Multi-volume ACE Compressed File Archive |
| CA1 file extension | Embarcadero Technologies, Inc. | Delphi Install Disk |
| CAA file extension | Synium Software | CleanApp Archive Format |
| CAR file extension | N/A | CAR Archive Compressed Archive Format |
| CARB file extension | Apple, Inc. | Apple Mac OS X Carbon Package |
| CB7 file extension | N/A | CDisplay 7-Zip Comic Book Format |
| CBA file extension | N/A | CDisplay ACE Comic Book Format |
| CBK file extension | N/A | Backup Configuration Format |
| CBR file extension | N/A | Comic Book Archive Format Or ComicBook Reader Format |
| CBT file extension | N/A | CDisplay TAR Comic Book Format |
| CBU file extension | Comodo Group | Comodo Backup Backup Format |
| CBZ file extension | N/A | Comic Book Archive Format Or ComicBook Reader Format |
| CDOC file extension | SK.ee | DigiDoc Client Container |
| CDZ file extension | N/A | Compressed CD Image Format |
| CEDATA file extension | Cloud Engines, Inc. | Pogoplug |
| CEIMG file extension | mdSOFT | CeRegEditor Registry Image |
| CFZ file extension | N/A | Compressed Archive |
| CGDB file extension | Microsoft Corporation | Microsoft Clip Art Package |
| CK9 file extension | DVO Enterprises | DVN Cookn Cookbook Backup Format |
| CLN file extension | Microsoft Corporation | Microsoft Windows 3.x Configuration Backup |
| CMB file extension | Dionex Corporation | Chromeleon Backup Archive |
| CNR file extension | N/A | ClickNRun Installation Package |
| COMPRESS file extension | N/A | Microsoft Compress |
| CP9 file extension | N/A | ChoicePoint Encrypted Format |
| CPCT file extension | Cyclos | Compact Pro Archive |
| CPGZ file extension | N/A | Compressed UNIX CPIO Archive |
| CPT file extension | Cyclos | Compact Pro Archive Format |
| CRDS file extension | Microsoft | Microsoft Windows CardSpace Backup Format |
| CSK file extension | Apple, Inc. | Claris Works |
| CTIT file extension | N/A | RAR Archive |
| CTZ file extension | Dextronet.com | Custody Toolbox Compressed Backup |
| CU_ file extension | Microsoft Corporation | Microsoft Windows Winhelp Compressed |
| CZIP file extension | WinInizio Software | ZG Encrypted Zip Archive |
| DA0 file extension | Microsoft | Microsoft Windows 9x Registry Backup Format |
| DA1 file extension | Microsoft Corporation | Windows Registry Backup |
| DAR file extension | N/A | DAR Disk Archive |
| DASH file extension | Dashlane, Inc. | Dashlane Profile |
| DATBAK0 file extension | Miranda IM Project | Miranda Data File Backup |
| DBA file extension | Palm | Palm Desktop For Windows Format |
| DBK file extension | Sony Ericsson | Sony Ericsson Mobile Phone Backup Format |
| DBZ file extension | Datanamic Solutions BV | DB Zipper Compressed Database |
| DD file extension | Symantec | DiskDoubler Compressed Archive Format |
| DDAP file extension | Symantec Corporation | DiskDoubler Compressed |
| DEB file extension | N/A | Debian Linux Package Format |
| DFL file extension | Robert Adamson | Distribution Files Library |
| DGC file extension | N/A | Digital G Codec Archive Format |
| DIST file extension | Apple | Apple Mac OS X Installer Distribution Format |
| DIY file extension | Huntersoft | My Drivers Backup Format |
| DJPROJECTS file extension | Digital Juice, Inc. | Digital Juice Compressed |
| DKB file extension | Symantec Corporation | DataKeeper Backup |
| DL_ file extension | Microsoft | Microsoft Windows DLL Backup Format |
| DNA file extension | Computer Associates | CA Backup And Migration Backup Format |
| DOV file extension | N/A | Temporary Format |
| DROPBOX file extension | Dropbox team | Dropbox |
| DUB file extension | N/A | Tuningwrench Audio Utility Compressed |
| DXTHEME file extension | Stardock Corporation | DesktopX Windows Desktop Theme |
| DZ file extension | Dzip | Dzip Format |
| EBI file extension | RITLabs SRL | The Bat! Messages Encrypted Backup |
| ECBK file extension | LG Electronics | LG PC Suite Calendar Backup |
| ECS file extension | Sony Ericsson | Sony Ericsson Phone Backup Format |
| EDZ file extension | Parametric Technology Corporation | ProductView Compressed Package |
| EFW file extension | Computer Associates | Renamed Zip Or Executable Format |
| EG file extension | Wasay | Image It Backup Disk Image |
| EN2 file extension | Articulate Global, Inc. | Articulate Engage Compressed |
| ENPACK file extension | Guidance Software Inc. | EnCase Package |
| EPI file extension | Green Eclipse | EclipsePackager2000 Compressed Format |
| EPME file extension | N/A | Renamed HJSplit Split WinRAR Archive |
| F file extension | N/A | Freeze Compressed File Archive |
| FB file extension | DRDOS, Inc. | DR-DOS Backup |
| FBC file extension | Ancestry.com | Family Tree Compressed Backup Format |
| FBF file extension | Promosoft | Free Backup Fix Backup Format |
| FBK file extension | Microsoft | Microsoft Dynamics NAV Backup Format |
| FBU file extension | FEBE | FEBE Firefox Add-in ZIP Format |
| FBW file extension | Hewlett Packard | HP Backup Split Backup Format |
| FCXE file extension | SPIRIT | FileCapsule Deluxe Encoded |
| FDP file extension | N/A | MySafe Encrypted Data |
| FEZ file extension | FUND E-Z Development Corporation | FUND E-Z Backup Archive |
| FGZ file extension | FGX | Formula Graphics Standalone Presentation Archive |
| FH file extension | Symantec | Symantec Backup Exec Format |
| FHF file extension | Cleanersoft Software | Free Hide Folder Data Format |
| FLKA file extension | NewSoftwares | Folder Lock Encrypted Portable Folder Format |
| FLKB file extension | NewSoftwares | Folder Lock Encrypted Folder Format |
| FPKG file extension | Apple, Inc. | Apple Mac OS X Installer Package |
| FPSX file extension | Nokia | Symbian Firmware Flash Format |
| FRI file extension | Mozilla Corporation | Firefox Bookmark Backup |
| FRP file extension | Z-Firm LLC | FaxRush Package |
| FTMB file extension | Ancestry.com Inc. | Family Tree Maker Backup |
| FUL file extension | Microsoft | Microsoft Backup File List |
| FWB file extension | N/A | FileWrangler Data Backup |
| FXH file extension | MetaQuotes Software Corp. | MetaTrader 4 Backup |
| FZA file extension | AutoDesSys | Form-Z Autosave Format |
| GB1 file extension | YoYo Games | Game Maker Backup Format |
| GBCK file extension | Glarysoft Ltd. | Glary Utilities Backup |
| GBM file extension | Genie-Soft Corporation | Genie Backup Manager Archive |
| GBP file extension | Genie-Soft | Genie Backup Manager Pro Backup Index Format |
| GCA file extension | N/A | GCA Compressed Archive Format |
| GFAR file extension | Greenfoot.org | Greenfoot JAVA Archive |
| GHO file extension | Symantec | Norton Ghost Backup Image Format |
| GHS file extension | Symantec | Norton Ghost Backup Format |
| GIP file extension | Ethanole Solutions | Ghost Installer Package |
| GLOS file extension | Native Instruments, Inc. | Absynth 3 Patch |
| GSBA file extension | InsaneMatt | GameSave Manager Save Backup |
| GZ file extension | The GNU Project | GZIP Compressed Archive Format |
| GZ2 file extension | N/A | Misnamed BZ2 Format |
| GZA file extension | N/A | Bzip2 Compressed File Archive |
| GZI file extension | N/A | GZip Compressed Archive |
| GZIP file extension | N/A | GNU ZIP Gzip Compressed Archive Format |
| HA file extension | N/A | HA Compressed Archive |
| HAP file extension | Hamarsoft | HAP Compressed File Archive |
| HBC file extension | Xceleon Technologies | HyperBac Compressed Archive Format |
| HBC2 file extension | Xceleon Technologies | HyperBac Compressed Archive |
| HBE file extension | Xceleon Technologies | HyperBac Compressed/encrypted Archive |
| HCB file extension | HyperOs Systems | HyperOS Compressed Backup |
| HKI file extension | N/A | WinHKI Compressed Archive Format |
| HKI1 file extension | N/A | WinHKI HKI1 Compressed Archive Format |
| HKI2 file extension | N/A | WinHKI HKI2 Compressed Archive Format |
| HKI3 file extension | N/A | WinHKI HKI3 Compressed Archive Format |
| HL$ file extension | N/A | MS-DOS Compressed Help |
| HLZ file extension | Multi Edit Software Incorporated. | MultiEdit Packed Help |
| HM~ file extension | EC Software GmbH | Help&Manual Help Project Backup |
| HPK file extension | N/A | HPack Compressed Archive Format |
| HPZ file extension | Major Mind Software | Helpinator Project |
| HSTX file extension | Altair Engineering, Inc. | Altair HyperStudy Package |
| HYP file extension | N/A | Hyper Compressed File Archive |
| I5D file extension | European Commission | IUCLID XML Backup |
| I5S file extension | European Commission | IUCLID Compressed Backup |
| IBAK file extension | SourceForge.net | Password Safe Backup |
| IBZ file extension | Oracle Corporation | MySQL InnoDB Database Table Compressed Backup |
| ICBU file extension | Apple | Apple ICal Calendars Backup Format |
| ICE file extension | N/A | IceChat IRC Client Script Format |
| ICF file extension | Zoom Telephonics | Zoom Router Configuration Format |
| IEBARZIP file extension | N/A | Explorer Bar Icon Pack |
| IGZ file extension | Jean-loup Gailly | Gzipped Image |
| IHA file extension | General Electric Company | GE Historian Archive |
| IMM file extension | Perion Network Ltd. | IncrediMail Deleted Email Messages List |
| IMOVIEMOBILE file extension | Apple, Inc. | IMovie Project Package |
| INPROGRESS file extension | Apple | Apple Mac OS X Time Machine Temporary Format |
| IO file extension | Various Linux developers | CPIO Compressed File Archive |
| IPD file extension | Research In Motion | BlackBerry Backup (pre 2012) Format |
| IPG file extension | Apple | IPod Game Package Format |
| IPK file extension | N/A | Itsy Package |
| ISH file extension | N/A | ISH Compressed Archive |
| ITA file extension | Joost Verburg | IconTweaker Theme Archive |
| IV2I file extension | Symantec | Norton Ghost Disk Drive Image |
| IZE file extension | IZArc | IZArc Encrypted Archive Format |
| J file extension | N/A | JAR Archive Format |
| JARPACK file extension | Oracle | Oracle Pack200 Packed JAR Format |
| JBK file extension | N/A | Juno Backup Format |
| JDC file extension | The JDownloader Team | JDownloader Links Format |
| JGZ file extension | N/A | Gzipped JavaScript Format |
| JIC file extension | N/A | Java Icon Format |
| JPA file extension | N/A | Joomla Installation Backup |
| JSO file extension | N/A | Compressed ISO Image |
| JWC file extension | NTI Corporation | JewelCase Maker Saved |
| KB2 file extension | Carroll-Net | Carroll-Net Kleo Backup Format |
| KBB file extension | Jetico, Inc. | BestCrypt Key Block Backup |
| KEP file extension | Embarcadero Technologies, Inc. | Turbo Pascal DOS Tp19 Compressed Kepler |
| KGB file extension | Tomasz Pawlak | KGB Archiver Compressed Archive Format |
| KGE file extension | Tomasz Pawlak | KGB Archiver Encrypted Compressed Archive |
| KRT file extension | Microsoft Corporation | Microsoft Visual FoxPro Recreation |
| KZ file extension | KuaiZip.com | KuiaiZip Archive |
| LBK file extension | General Electric Company | VersaPro Local Logic Block Backup |
| LBR file extension | N/A | EAGLE Library Format |
| LCB file extension | Radium Technologies | Living Cookbook Format |
| LEMON file extension | LemonShare.net | LemonShare.net Download Format |
| LHA file extension | N/A | LH ARC Compressed Archive |
| LHARC file extension | Ivan Zahariev | LH ARC Compressed Archive |
| LHW file extension | Jonathan Forbes | LHWarp Compressed Amiga Archive |
| LLX file extension | National Instruments | LabVIEW Library Backup Format |
| LNX file extension | N/A | Lynx Project Format |
| LOADERBACKUP file extension | BlackBerry (Research In Motion Limited) | BlackBerry Backup |
| LPAQ8 file extension | N/A | PAQ Data Archive |
| LQR file extension | N/A | SQ Compressed LBR Archive |
| LZ file extension | Lzip | LZIP Compressed Archive Format |
| LZH file extension | N/A | LH ARC Compressed Archive Format |
| LZM file extension | Slax | Slax Module Format |
| LZMA file extension | N/A | 7-Zip Compressed Format |
| LZMA86 file extension | N/A | Archive |
| LZO file extension | N/A | Lzop Archive Format |
| LZOP file extension | Markus F.X.J. Oberhumer | LZOP Compressed |
| LZS file extension | N/A | Compressed File Archive |
| LZX file extension | N/A | Amiga LZX Archive Format |
| MBK file extension | dataBased Intelligence | DBASE IV Multiple Index File Backup |
| MBKP file extension | Memeo | Memeo Instant Backup Backup |
| MBSB file extension | Mamut Software Ltd | Mamut Business Software Company Database Backup |
| MBSYNCSTATE file extension | Michael R. Elkins | Mbsync Folder Backup |
| MBW file extension | Firesage Solutions | Easy Mail Backup Wizard Format |
| MD file extension | N/A | MDCD Compressed File Archive |
| MDBACKUP file extension | Apple | Apple IPhone Backup Format |
| MDDATA file extension | Apple | Apple IPhone Backup Data Format |
| MDINFO file extension | Apple | Apple IPhone Info Format |
| MDO file extension | Microsoft Corporation | Microsoft Internet Information Server Configuration Backup |
| MDR file extension | Max B.V. | MAX II Recovery |
| MEM file extension | N/A | Microsoft Visual FoxPro Mem Format |
| MIB file extension | Milenix Software Ltd. | MyInfo Topic Backup |
| MIG file extension | Microsoft | Windows Easy Transfer Migration Data Format |
| MINT file extension | Linux Mint | Linux Mint Installer Format |
| MKZ file extension | PokerOffice.com | PokerOffice Database Backup |
| MO? file extension | N/A | Standard Mail Archive |
| MON file extension | Mozilla Corporation | Firefox Monday Bookmark Backup |
| MOU file extension | WinMount International | MOU Compressed Format |
| MOZ-BACKUP file extension | Mozilla Corporation | Mozilla Backup |
| MPB file extension | Franz Josef Wechselberger | MyPhoneExplorer Backup Format |
| MPKG file extension | N/A | Meta Package Format |
| MSA file extension | N/A | Magic Shadow Archiver Atari Disk Image |
| MSCX, file extension | Werner Schweer | MuseScore Music Score Backup |
| MSCZ, file extension | Werner Schweer | MuseScore Music Score Backup |
| MSLZ file extension | N/A | Archive |
| MS_ file extension | Microsoft Corporation | Microsoft Windows Winhelp Compressed |
| MTB file extension | Digistore Solutions (S) Pte. Ltd. | MediaTracker Database Backup |
| MVA file extension | Microsoft Corporation | Microsoft Setup Archive |
| MVDX file extension | MatchWare A/S | MindView MindMap Archive |
| MV_ file extension | MAGIX | Magix Movie Edit Pro Movie Backup Format |
| MYO file extension | MYOB Limited | MYOB Data |
| MZF file extension | N/A | MediaZip Archive |
| MZP file extension | Autodesk | Autodesk 3D Studio Max MAXScript Zip Package |
| NAB file extension | Nero AG | Audiobook CD Compilation |
| NB7 file extension | N/A | NovaBACKUP Output Data Backup Format |
| NBA file extension | Nero | Nero BackItUp Archive Format |
| NBAK file extension | The Neat Company | Neat Backup |
| NBD file extension | NovaStor | PC Backup Pro Backup Format |
| NBF file extension | NewTech Infosystems | Backup NOW! Backup Archive Format |
| NBI file extension | Nero | Nero BackItUp Backup Format |
| NBK file extension | N/A | NovaBACKUP Script Format |
| NBL file extension | Sega Corporation | Phantasy Star Universe |
| NBS file extension | NTI | NTI Backup Now Format Based Backup Set Format |
| NBU file extension | Nokia | Nokia PC Suite 6.82+ Backup Format |
| NBZ file extension | ArcSoft, Inc. | ArcSoft Total Media Backup & Record Backup |
| NCO file extension | Nero | Nero BackItUp Compressed Backup Format |
| NDU file extension | N/A | Symbian Phone Backup |
| NFB file extension | Nokia | Nokia PC Suite Phone Backup Format |
| NFC file extension | Nokia | Nokia PC Suite Phone Backup Format |
| NFP file extension | N/A | Archive |
| NGR file extension | Nokia Corporation | Nokia PC Suite Install Archive |
| NHV file extension | Nero AG | Nero HD-BURN-Video Compilation |
| NMD file extension | Nero AG | Nero MiniDVD Compilation |
| NMU file extension | Debian Project Team | Debian Non-Maintainer Upload |
| NPB file extension | PremiumSoft CyberTech Ltd. | Navicat For MySQL Backup Profile |
| NPF file extension | NTI | NTI Backup Format |
| NPK file extension | Mikrotik | MikroTik RouterOS Upgrade Package |
| NPS file extension | NTI | NTI Backup Now Drive Based Backup Set Format |
| NR4 file extension | Nero AG | Nero CD-ROM (AAC) Compilation |
| NRBAK file extension | The Neat Company | Neat Backup |
| NRH file extension | Nero AG | Nero Hybrid CD-ROM Compilation |
| NRMLIB file extension | The Neat Company | Neat Document Library |
| NRS file extension | N/A | NovaBACKUP Restore Script Format |
| NSD file extension | Nero AG | Nero Super Video CD Compilation |
| NTJ file extension | IWR Computer Consultancy | Junction Box Backup |
| NUGET file extension | Outercurve Foundation | NuGet Package |
| NWBAK file extension | The Neat Company | Neat Backup |
| NWCAB file extension | The Neat Company | Neat Software Cabinet |
| NW_ file extension | Noteworthy Software, Inc. | Noteworthy Composer Compressed |
| NZ file extension | Sami Runsas | NanoZip Compressed Archive |
| OAP file extension | Samsung Group | Samsung Bada Signed Installation Package |
| OAR file extension | N/A | OpenSimulator Archive Format |
| OB file extension | ABF software, Inc. | ABF Outlook Backup Format |
| OB3 file extension | ABF software, Inc. | ABF Software Outlook Backup Backup |
| OB5 file extension | N/A | TopLang OE Backup |
| OBAK file extension | SYNAMETIRCS | WinSQL Offline Backup |
| OBK file extension | Genie-Soft Corporation | Genie Outlook Backup |
| OBPACK file extension | Stardock Corporation | ObjectBar Theme Pack |
| OC_ file extension | N/A | Compressed ActiveX Control |
| OD_ file extension | Oracle Corporation | Oracle Compressed Driver |
| OEB file extension | QSX | Outlook Express Backup Wizard Format |
| OFB file extension | Oxygen Software Company | Oxygen Forensic Suite Backup |
| OKR file extension | CyberLink Corp. | PowerRecover One Key Recovery |
| OLD file extension | N/A | Backup Format |
| ONEPKG file extension | Microsoft | Microsoft OneNote Package Format |
| OPG file extension | N/A | Offline Plan Generation Package |
| ORIG file extension | N/A | Original Format |
| ORIGINAL_EPUB file extension | N/A | EPUB Ebook Backup |
| ORIGINAL_MOBI file extension | N/A | MOBI Ebook Backup |
| OSBX file extension | Lunabee Pte Ltd | OneSafe Exported Backup |
| OWR file extension | Oracle Corporation | PeopleSoft Results Archive |
| OYX file extension | N/A | IBM Lotus Approach Alternate Database Index Format |
| OZ file extension | Opera Company | Opera Job Management Compressed Format |
| P15 file extension | Peter B. Clements | PAR Recovery Volume |
| P17 file extension | Peter B. Clements | PAR Recovery Volume |
| P23 file extension | Peter B. Clements | PAR Recovery Volume |
| P24 file extension | Peter B. Clements | PAR Recovery Volume |
| P26 file extension | Peter B. Clements | PAR Recovery Volume |
| P28 file extension | Peter B. Clements | PAR Recovery Volume |
| P29 file extension | Peter B. Clements | PAR Recovery Volume |
| P2V file extension | 3d-in-berlin.de | PLAN2VIZ Backup Design Plan |
| P3C file extension | Oracle Corporation | Primavera Project Planner Compressed Backup |
| P7M file extension | N/A | Digitally Encrypted Message |
| PACKGZ file extension | Oracle | Pack200 Compressed Archive Format |
| PACKAGE file extension | Autopackage | Linux Autopackage Format |
| PAE file extension | N/A | PowerArchiver Encrypted Archive Format |
| PAK file extension | N/A | Game Resource Package Format |
| PAQ file extension | Hewlett-Packard | Hewlett-Packard System Backup ZIP Format |
| PAQ6 file extension | N/A | PAQ6 Data Archive Format |
| PAQ7 file extension | N/A | PAQ7 Data Archive Format |
| PAQ8 file extension | PAQ | PAQ8 Data Archive Format |
| PAQ8F file extension | N/A | PAQ Data Archive Format |
| PAQ8JD file extension | N/A | PAQ Data Archive |
| PAQ8L file extension | N/A | PAQ Data Archive |
| PAQ8O file extension | N/A | PAQ Data Archive |
| PAR file extension | Parchive | Parchive Index Format |
| PAR2 file extension | Parchive | PAR2 Recovery Volume Format |
| PART1 file extension | N/A | Part 1 Archive |
| PART1EXE file extension | Eugene Roshal | Split Multi-volume RAR Compressed Self-extracting File Archive (part 1) |
| PART1RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 1) |
| PART10RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 10) |
| PART11RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 11) |
| PART2RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 2) |
| PART3RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 3) |
| PART4RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 4) |
| PART5RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 5) |
| PART6RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 6) |
| PART7RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 7) |
| PART8RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 8) |
| PART9RAR file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 9) |
| PARTIMGBZ2 file extension | Various Linux developers | Partimage Disk Image |
| PARTIMGGZ file extension | Various Linux developers | Partimage Disk Image |
| PAX file extension | POSIX | PAX Archive Format |
| PBB file extension | AT&T | Mobile Phonebook Format |
| PBF file extension | Paragon Software Group | Paragon Disk Image Format |
| PBI file extension | N/A | PC-BSD Setup Format |
| PBJ file extension | CyberLink | PowerBackup Job Format |
| PBR file extension | Microsoft Corporation | Microsoft Publisher Backup |
| PBX5SCRIPT file extension | Intego | Personal Backup Script Format |
| PBXSCRIPT file extension | Intego | Personal Backup Script Format |
| PCHD file extension | PCDiskTools.com | PC Backup Utilities Backup |
| PCU file extension | PC MightyMax | PC MightyMax Undo |
| PCV file extension | Mozilla | MozBackup Backup Format |
| PD2 file extension | Jan van Wijk | DFSee Partition Table And Boot Sector Backup |
| PD3 file extension | Jan van Wijk | DFSee Partition Table And Boot Sector Backup |
| PDB file extension | Sybase | PowerDesigner Physical Model Backup Format |
| PE3 file extension | Ulead Systems | Ulead PhotoImpact Image Archive |
| PEA file extension | PeaZip | PeaZip Pack Encrypt Authenticate Format |
| PET file extension | Barry Kauler | Puppy Linux Install Package Format |
| PF file extension | Smith Micro | Aladdin Systems Private Format |
| PF_ file extension | GVOX | Encore Compressed |
| PGZ file extension | N/A | StreamLync Download Archives |
| PIM file extension | N/A | PIM Archive Format |
| PIMA file extension | Adobe Systems Incorporated | Adobe Application Manager Package |
| PIT file extension | N/A | PackIt For Mac Compressed Archive Format |
| PIZ file extension | N/A | Renamed Zip Format |
| PKD file extension | Embarcadero Technologies, Inc. | Turbo Pascal DOS Compressed Batch |
| PKG file extension | Apple | Apple MAC OS X Installer Format |
| PMA file extension | David Harris | Pegasus Mail Data Archive |
| PMZ4 file extension | Cambron Software | Power Music Backup Archive |
| PPV file extension | Pandora International | Pogle Platinum Software Version Archive |
| PREVIOUS file extension | N/A | Mac OS X Address Book Backup |
| PSA file extension | Parallels | Parallels Plesk Panel Backup Format |
| PSC file extension | PremiumSoft CyberTech Ltd. | Navicat MySQL Database Compressed Backup |
| PSPAUTOSAVE file extension | Corel Corporation | PaintShop Pro Autosave |
| PSZ file extension | N/A | Compressed PostScript Format |
| PUP file extension | Puppy Linux | Puppy Linux DotPup Installer Package Format |
| PURGEABLE file extension | Apple, Inc. | Time Machine Corrupted Backup |
| PUZ file extension | Microsoft | Microsoft Publisher Packed Format |
| PVC file extension | Parallels | Parallels Desktop Copied Configuration Format |
| PWA file extension | N/A | Password Agent Encrypted Format |
| PWZIP file extension | InnovMetric Software Inc. | Polyworks Compressed Archive |
| PZIP file extension | WinZip Computing, S.L. | Zip Compressed Archive |
| QB2013 file extension | Intuit Inc. | QuickBooks For Mac 2013 Bakcup |
| QB2014 file extension | Intuit Inc. | QuickBooks For Mac 2014 Backup |
| QBB file extension | Intuit | QuickBooks Backup Format |
| QBK file extension | Intuit Canada | QuickTax Backup Format |
| QBM file extension | Intuit | QuickBooks Portable Company Format |
| QBMB file extension | Intuit | QuickBooks Backup Format |
| QBMD file extension | Intuit | QuickBooks Backup Format |
| QBX file extension | Intuit | QuickBooks Accountant Transfer Format |
| QCF file extension | LAFE Technologies | QuikCAT Compressed |
| QCH file extension | Digia Oyj | Qt Help Compressed Help |
| QCN file extension | QUALCOMM Incorporated | Qualcomm QPST Drive Backup |
| QDA file extension | N/A | Quadruple D Archive Format |
| QDK file extension | Symantec Corporation | QEMM Startups Backup |
| QFC file extension | George Lyapko | QuickFileCollection Archive |
| QIC file extension | Microsoft | Microsoft Windows 95/98 Backup Format |
| QM3 file extension | Articulate Global, Inc. | Articulate Quizmaker Compressed |
| QMD file extension | Intuit Inc. | Quicken Win Version 5/6 Backup |
| QP03 file extension | N/A | Qpress Compressed Archive |
| QSF file extension | Qualtrics | Qualtrics Survey Format |
| QUAD file extension | SourceForge.net | QUAD Compressed Archive |
| QUICKBOOKSAUTODATARECOVERY file extension | Intuit Inc. | QuickBooks Auto Recovery |
| QUICKENBACKUP file extension | Intuit | Quicken Essentials For Mac Financial Data Backup Format |
| QV~ file extension | Qarbon | ViewletBuilder Project Backup Format |
| R0 file extension | RARLAB | WinRAR Compressed Archive Format |
| R00 file extension | RARLAB | Split Multi-volume RAR Compressed File Archive (part 2) |
| R01 file extension | RARLAB | Split Multi-volume RAR Compressed File Archive (part 3) |
| R02 file extension | RARLAB | Split Multi-volume RAR Compressed File Archive (part 4) |
| R03 file extension | RARLAB | Split Multi-volume RAR Compressed File Archive (part 5) |
| R04 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 6) |
| R05 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 7) |
| R06 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 8) |
| R07 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 9) |
| R08 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 10) |
| R09 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 11) |
| R1 file extension | RARLAB | WinRAR Multi-Volume Archive Part 1 |
| R10 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 12) |
| R11 file extension | Symantec Corporation | Norton Ghost Rar |
| R12 file extension | Symantec Corporation | Norton Ghost Rar |
| R13 file extension | Symantec Corporation | Norton Ghost Rar |
| R14 file extension | Symantec Corporation | Norton Ghost Rar |
| R15 file extension | Symantec Corporation | Norton Ghost Rar |
| R16 file extension | Symantec Corporation | Norton Ghost Rar |
| R17 file extension | Symantec Corporation | Norton Ghost Rar |
| R18 file extension | Symantec Corporation | Norton Ghost Rar |
| R19 file extension | Symantec Corporation | Norton Ghost Rar |
| R2 file extension | RARLAB | WinRAR Multi-Volume Archive Part 2 |
| R20 file extension | Symantec Corporation | Norton Ghost Rar |
| R21 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 23) |
| R22 file extension | Symantec Corporation | Norton Ghost Rar |
| R23 file extension | Symantec Corporation | Norton Ghost Rar |
| R24 file extension | Symantec Corporation | Norton Ghost Rar |
| R25 file extension | Symantec Corporation | Norton Ghost Rar |
| R26 file extension | Symantec Corporation | Norton Ghost Rar |
| R27 file extension | N/A | Norton Ghost Rar |
| R28 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 30) |
| R29 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 31) |
| R30 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 32) |
| R31 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 33) |
| R32 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 34) |
| R33 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 35) |
| R34 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 36) |
| R35 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 37) |
| R36 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 38) |
| R37 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 39) |
| R38 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 40) |
| R39 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 41) |
| R40 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 42) |
| R41 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 43) |
| R42 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 44) |
| R43 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 45) |
| R44 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 46) |
| R45 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 47) |
| R46 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 48) |
| R47 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 49) |
| R48 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 50) |
| R49 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 51) |
| R50 file extension | Eugene Roshal | Split Multi-volume RAR Compressed File Archive (part 52) |
| R51 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R52 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R53 file extension | N/A | RAR Compressed Files From A Multi-volume Archive |
| R54 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R55 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R56 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R57 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R58 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R59 file extension | N/A | RAR Compressed Files From A Multi-volume Archive |
| R60 file extension | N/A | RAR Compressed Files From A Multi-volume Archive |
| R61 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R62 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R63 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R64 file extension | N/A | RAR Compressed Files From A Multi-volume Archive |
| R65 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R66 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R67 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R68 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R69 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R70 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R71 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R72 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R73 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R74 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R75 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R76 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R77 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R78 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R79 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R80 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R81 file extension | N/A | RAR Compressed Files From A Multi-volume Archive |
| R82 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R83 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R84 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R85 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R86 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R87 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R88 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R89 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R90 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R91 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R92 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R93 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R94 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R95 file extension | N/A | RAR Compressed Files From A Multi-volume Archive |
| R96 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R97 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| R98 file extension | N/A | RAR Compressed Files From A Multi-volume Archive |
| R99 file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| RAR file extension | Eugene Roshal | WinRAR RAR Compressed Archive |
| RAR1 file extension | N/A | RAR Archive |
| RAR5 file extension | RARLAB | WinRAR 5 Compressed Archive Format |
| RARX file extension | N/A | Renamed RAR |
| RB0 file extension | Trend Micro Inc. | Trend AntiVirus Backup |
| RB1 file extension | Trend Micro Inc. | Trend Anti-Virus Backup |
| RBC file extension | EMC Insignia | Roxio Retrospect Backup Catalogue Format |
| RBF file extension | EMC Insignia | Roxio Retrospect Backup Format |
| RBK file extension | Microsoft | Microsoft Windows 95 Registry Backup Format |
| RBS file extension | Microsoft | Microsoft Windows Installer Rollback Script Format |
| RDB file extension | EMC | Roxio Retrospect Backup Set Format |
| REV file extension | RARLAB | WinRAR Recovery Volume Format |
| RGMB file extension | RootsMagic | RootsMagic Backup Format |
| RIPXR file extension | RipXR Corp. | RipXR Compressed Archive |
| RK file extension | M Software | WinRK Archive Format |
| RMAN file extension | Oracle Corporation | Oracle Datafile Backup |
| RMB file extension | Utimaco Safeware AG | SafeGuard RemovableMedia Keyring Backup |
| RMBAK file extension | PC Tools | Registry Mechanic Backup Format |
| RNC file extension | RNC | RNC ProPack Archive Format |
| ROO file extension | N/A | WinRAR Archive |
| RP9 file extension | Cloanto | RetroPlatform Format |
| RPM file extension | Red Hat | Linux Package Manager Format |
| RRR file extension | PC Tools | Registry Mechanic Backup Format |
| RTE file extension | N/A | RTEncoder RTE Encoded Format |
| RXX file extension | Eugene Roshal | RAR Compressed Files From A Multi-volume Archive |
| RZ file extension | N/A | Rzip Compressed Archive |
| RZR file extension | N/A | Renamed WinRAR Archive |
| RZS file extension | Red Zion | Red Zion Security Format |
| S00 file extension | Lithops | Split Multi-volume ZipSplitter Compressed File Archive (part 1) |
| S01 file extension | Lithops | Split Multi-volume ZipSplitter Compressed File Archive (part 2) |
| S02 file extension | Lithops | Split Multi-volume ZipSplitter Compressed File Archive (part 3) |
| S03 file extension | Lithops Software | Split Multi-volume ZipSplitter Compressed File Archive (part 4) |
| S04 file extension | Lithops Software | Split Multi-volume ZipSplitter Compressed File Archive (part 5) |
| S05 file extension | Lithops Software | Split Multi-volume ZipSplitter Compressed File Archive (part 6) |
| S06 file extension | Lithops Software | Split Multi-volume ZipSplitter Compressed File Archive (part 7) |
| S07 file extension | Lithops Software | Split Multi-volume ZipSplitter Compressed File Archive (part 8) |
| S08 file extension | Lithops Software | Split Multi-volume ZipSplitter Compressed File Archive (part 9) |
| S09 file extension | Lithops Software | Split Multi-volume ZipSplitter Compressed File Archive (part 10) |
| S7Z file extension | N/A | 7-zip Compressed Format |
| SA5 file extension | Information Security Corp. | SecretAgent Archive |
| SAFE file extension | WebMoney | WM Keeper CLASSIC Purse File Backup |
| SAR file extension | N/A | Service Archive Format |
| SAV file extension | Parallels | Parallels Desktop Saved State Image Format |
| SAZ file extension | N/A | Fiddler Session Archive ZIP |
| SBB file extension | Microsoft | Microsoft Office Accounting Company Backup Format |
| SBS file extension | AvialiSoft | Secure Backup System Format |
| SBU file extension | Samsung Group | Samsung Kies Backup |
| SDC file extension | Microsoft | Secure Download Cabinet |
| SDK file extension | Andy Nicholas | ShrinkIt Compressed Apple II File Archive |
| SDN file extension | N/A | Shareware Distributors Network Format |
| SEA file extension | Smith Micro | StuffIt Expander Archive Format |
| SEG1 file extension | Smith Micro Software, Inc. | Stuffit Segment |
| SEN file extension | Scifer | Scifer Archiver Internal Archive Format |
| SFS file extension | N/A | Squashfs Format |
| SFX file extension | N/A | Self-extracting Compressed Archive Format |
| SH file extension | N/A | Unix Bourne Shell (Bash) Format |
| SHAR file extension | N/A | Unix Self Extracting Bourne Shell Archive Format |
| SHK file extension | N/A | ShrinkIt Compressed Apple II File Archive |
| SHR file extension | N/A | Unix Shell Archive Format |
| SIK file extension | Microsoft Corporation | Microsoft Word Backup |
| SIM file extension | Valve | Steam Game Backup Information Format |
| SIP file extension | Chris S Craig | Scopetrax Compressed Sample |
| SIS file extension | Valve | Steam Game Backup Information Format |
| SIT file extension | Smith Micro | StuffIt Expander Archive Format |
| SIT! file extension | Smith Micro Software, Inc. | StuffIt Expander Archive Format |
| SIT5 file extension | N/A | StuffIt 5 Archive Format |
| SITD file extension | N/A | StuffIT Archive |
| SITHQX file extension | N/A | StuffIt Compressed Archive |
| SITX file extension | Smith Micro | StuffIt Archive Format |
| SKB file extension | SketchUp Backup Format | |
| SN1 file extension | Tom Ehlert | Drive Snapshot First Differential Backup Format |
| SN2 file extension | Tom Ehlert | Drive SnapShot Partial Disk Image Format |
| SN4 file extension | Tom Ehlert Software | Drive SnapShot Partial Disk Image |
| SNA file extension | Tom Ehlert | Drive SnapShot Disk Image Format |
| SNAGITSTAMPS file extension | TechSmith Corporation | SnagIt Archive |
| SNOOP file extension | N/A | Sun SNOOP Capture |
| SNS file extension | Composite Ideas | Save-N-Sync Backup Project Format |
| SPF file extension | StorageCraft Technology | Still Picture Interchange File Format |
| SPG file extension | SpeedGuide.net | TCP Optimizer Saved Settings Format |
| SPI file extension | ShadowCraft Technology | ShadowProtect Incremental Disk Changes Format |
| SPLIT file extension | N/A | Split |
| SPLT file extension | IanB | YDecode Split |
| SPS file extension | 2BrightSparks | SyncBackSE Exported Profile Format |
| SPT file extension | TMAgency | TM FilePacker Archive |
| SQB file extension | Red Gate | SQL Backup Compact MS SQL Server Backup Format |
| SQX file extension | N/A | SQX Archiver Compressed Archive Format |
| SQZ file extension | N/A | Squeeze Project Format |
| SREP file extension | FreeArc | SuperREP Archive Format |
| SRR file extension | ReScene | ReScene Data Recovery Archive Format |
| SSWF file extension | N/A | Sealed SWF Flash |
| STG file extension | Microsoft | Microsoft ActiveSync Backup Format |
| SU? file extension | N/A | Standard Mail Archive |
| SV$ file extension | Autodesk | AutoCAD Autosave Format |
| SV2I file extension | Symantec | Symantec Backup Exec System Index Format |
| SV4CPIO file extension | GnuWin32 Team | System V Release 4 CPIO Archive |
| SVL file extension | SecurStar | Scramdisk Volume |
| SYNCDB file extension | Apple, Inc. | ITunes Saved Contact Database |
| SY_ file extension | Microsoft | Korg Dw8000 Compressed Format |
| TAR-GZ file extension | N/A | Gzip Compressed TAR Archive |
| TAR-LZMA file extension | N/A | TAR Archive |
| TAR-Z file extension | N/A | TAR Compressed Archive |
| TARGZ file extension | The GNU Project | Old Version Gzip Compressed TAR Archive |
| TARGZ2 file extension | N/A | Misnamed BZ2 Tarball |
| TARLZMA file extension | N/A | LZMA Compressed Tarball |
| TARXZ file extension | Tukaani | XZ Compressed TAR Archive Format |
| TARZ file extension | N/A | Tar.Z Compressed Archive |
| TARAA file extension | N/A | Linux TAR Split Archive |
| TAZ file extension | N/A | TAR Compressed Archive |
| TBI file extension | N/A | Image For Windows Disk Image |
| TBK file extension | N/A | Visual FoxPro Memo Backup Format |
| TBZ file extension | N/A | Bzip2 Compressed TAR Archive Format |
| TBZ2 file extension | N/A | BZIP/TAR Compressed Archive Format |
| TCS file extension | Lennert Ploeger | TreeComp Snapshot |
| TDB file extension | eBay | EBay Turbo Lister Format |
| TG file extension | N/A | Gzip Compressed Tar Archive |
| TGZ file extension | N/A | Gzip Compressed TAR Archive |
| TIG file extension | Texas Instruments | Texas Instruments Connect Backup Format |
| TIS file extension | Acronis | True Image Script |
| TK2 file extension | Roxio | Roxio/Take Two Backup |
| TLBACKUP file extension | TORDEX | True Launch Bar Backup Settings |
| TLG file extension | Intuit | QuickBooks Transaction Log Format |
| TLY file extension | Adobe Systems Incorporated | Adobe Photoshop Elements Backup Catalog |
| TLZ file extension | Lzip | Unix TLZ Compression Engine Format |
| TLZMA file extension | N/A | LZMA Compressed Tar Archive |
| TMP file extension | N/A | Temporary Format |
| TOFP file extension | Toshiba America Information Systems, Inc. | Toshiba Fingerprint Utility Settings Backup |
| TOS file extension | N/A | Atari ST TOS Archive |
| TRN file extension | Microsoft | Microsoft SQL Server Transaction Backup Format |
| TSB file extension | N/A | Trabalph Software Program Compressed |
| TTBK file extension | Intuit Canada | Canadian TurboTax 2010 Backup Format |
| TU? file extension | N/A | Standard Mail Archive |
| TXZ file extension | Tukaani | XZ Compressed TAR Archive Format |
| TX_ file extension | N/A | Compressed Txt Format |
| TZ file extension | N/A | TAR.Z Compressed File Archive |
| TZB file extension | N/A | TAR.Z.btoa Compressed File Archive (TAR - Compress - Btoa) |
| UAP file extension | Siemens AG | SIMATIC WinCC User Archive Export |
| UAS file extension | Ulead Systems | Ulead PhotoImpact Backup |
| UC2 file extension | N/A | UltraCompressor II Compressed Archive Format |
| UCI file extension | SysDevSoftware | UFS Explorer Backup Format |
| UDIF file extension | Apple, Inc. | Apple Mac OS X Universal Disk Image Format |
| UFDR file extension | Cellebrite Mobile Synchronization LTD. | UFED Physical Analyzer Report Package |
| UFSUZIP file extension | The FreeBSD Project | FreeBSD Compressed Unix File System Format |
| UHA file extension | UHarc | UHARC Compressed Archive |
| UMB file extension | Microsoft Corporation | MemMaker Backup |
| UTB file extension | N/A | µTBackup Backup |
| UTI file extension | Sophos Plc. | SafeGuard PrivateCrypto Encrypted Archive |
| UZE file extension | SWE von Schleusen | UltimateZip Compressed Archive |
| UZIP file extension | Maxim Sobolev | FreeBSD Compressed Disk Image Format |
| V2I file extension | Symantec | Norton Ghost Disk Drive Image Format |
| V30 file extension | Intuit Inc. | QuickBooks V 3.0 Backup |
| VBB file extension | VirtualBoss, Inc | VirtualBoss Backup |
| VBK file extension | Veeam Software | Veeam Backup Virtual Machine Backup Format |
| VBM file extension | Veeam Software | Veeam Backup Metadata Format |
| VBOX-PREV file extension | Oracle | VirtualBox Settings Backup |
| VEM file extension | Sony | Virtual Expander Compressed Format |
| VNW file extension | Eugene Roshal | Renamed RAR |
| VOL1EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 1) |
| VOL10EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 10) |
| VOL2EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 2) |
| VOL3EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 3) |
| VOL4EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 4) |
| VOL5EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 5) |
| VOL6EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 6) |
| VOL7EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 7) |
| VOL8EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 8) |
| VOL9EGG file extension | ESTsoft Corp. | Split Multi-volume ALZip EGG Compressed File Archive (part 9) |
| VPCBACKUP file extension | Microsoft | Windows Virtual PC Backup Format |
| VRB file extension | Veeam Software | Veeam Backup Reversed Incremental Changes Format |
| VSA file extension | Symantec Corporation | Symantec Virtual Package Editor Virtual Software Archive |
| VSI file extension | Microsoft | Visual Studio Content Installer Format |
| VTY file extension | N/A | ViTALiTy Warez Release |
| W40 file extension | N/A | Windows 95 Backup Format |
| WAD file extension | N/A | Compressed Game Data |
| WAFF file extension | Microsoft Corporation | IE Saved Web Page |
| WAR file extension | Oracle | Java Web Archive Format |
| WA~ file extension | N/A | Microsoft Address Book |
| WBB file extension | Uniblue | WinBackup Backup Format |
| WBCAT file extension | Microsoft | Microsoft Windows Backup Information Format |
| WBK file extension | Microsoft | Microsoft Word Auto-backup Document Format |
| WBPZ file extension | ANSYS Inc. | ANSYS Update Package |
| WBU file extension | Samsung Group | Samsung PC Studio Backup |
| WBVERIFY file extension | Microsoft Corporation | Microsoft Windows Backup |
| WE? file extension | N/A | Standard Mail Archive |
| WED file extension | Mozilla Corporation | Firefox Bookmark Backup |
| WHB file extension | WindSolutions | Apple IPod Backup Image |
| WIN file extension | Microsoft | Windows Backup Format |
| WJF file extension | Corel | WinZip Job Format |
| WKP file extension | Web CEO Ltd. | Web CEO Database Backup |
| WMC file extension | Parametric Technology Corporation | MathCad Backup Of Startup Files |
| WOT file extension | PGP | Web Of Trust Format |
| WPB file extension | Windows Phone Device Manager | Windows Phone Device Manager Backup Format |
| WRC file extension | Bulat Ziganshin | FreeArc Archive |
| WSPAK file extension | WebsitePanel | WebsitePanel Backup Format |
| WWA file extension | N/A | WebSite-Watcher Archive |
| XCP file extension | Microsoft Corporation | Xbox Compressed Package |
| XEF file extension | N/A | WinAce Encrypted Format |
| XEZ file extension | N/A | X-Genics EManager Template Package |
| XLK file extension | Microsoft | Microsoft Excel Backup Format |
| XMCDZ file extension | Parametric Technology Corporation | PTC Mathcad Compressed Worksheet Format |
| XMS file extension | N/A | Amiga XMash Disk Archive |
| XPI file extension | Mozilla | Firefox Browser Extension Format |
| XPKU file extension | Apple, Inc. | Apple Mac OS X Universal Binary Package |
| XRS file extension | Pixel Painters Corporation | Dig It! Game |
| XX file extension | N/A | XXEncoded Format |
| XZ file extension | Tukaani | XZ Utils Compressed Archive |
| Y file extension | N/A | Amiga Yabba Compressed Archive Format |
| YRCBKM file extension | YRC Group Inc. | YRC Weblink Bookmarks Archive |
| YZ file extension | YAC | YAC Compressed Archive Format |
| YZ1 file extension | Yamazaki ZIPPER | Yamazaki Zipper Archive |
| Z file extension | N/A | Unix Compressed Archive Format |
| Z01 file extension | Corel | Split Multi-volume ZIP Compressed File Archive (part 2) |
| Z02 file extension | Corel | Split Multi-volume ZIP Compressed File Archive (part 3) |
| Z03 file extension | Corel | Split Multi-volume ZIP Compressed File Archive (part 4) |
| Z04 file extension | Corel | Split Multi-volume ZIP Compressed File Archive (part 5) |
| Z05 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 6) |
| Z06 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 7) |
| Z07 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 8) |
| Z08 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 9) |
| Z09 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 10) |
| Z10 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 11) |
| Z11 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 12) |
| Z12 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 13) |
| Z13 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 14) |
| Z14 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 15) |
| Z15 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 16) |
| Z16 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 17) |
| Z17 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 18) |
| Z18 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 19) |
| Z19 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 20) |
| Z20 file extension | WinZip Computing, S.L. | Split Multi-volume ZIP Compressed File Archive (part 21) |
| Z96 file extension | ConeXware, Inc. | PowerArchiver ZIP Multi-volume Archive |
| ZAB file extension | WinZip Computing, S.L. | Zipped Audio Book |
| ZALOHA file extension | Miranda IM Project | Miranda IM Backup |
| ZAP file extension | CursorArts | |
| ZAR file extension | ZEMAX Development Corporation | ZEMAX Archive |
| ZBA file extension | N/A | Compressed |
| ZFC file extension | Alistair George Manufacturing | Back4Win Backup Archive |
| ZFSENDTOTARGET file extension | Microsoft | Windows XP ZIP Compressed Folder |
| ZI file extension | PKWARE | Renamed ZIP Format |
| ZIP file extension | N/A | WinZIP Compressed ZIP Archive Format |
| ZIP2 file extension | Smith Micro Software, Inc. | StuffIt Archive |
| ZIPX file extension | Corel | Extended Zip Format |
| ZIX file extension | WinZix | WinZix Compressed Archive Format |
| ZL file extension | Jean-loup Gailly | Zlib Compressed Format |
| ZLG file extension | SurveilleTech LLC | E-Surveiller Log Archive |
| ZLIB file extension | Jean-loup Gailly and Mark Adler | Zlib Archive |
| ZOM file extension | N/A | Zoom Compressed Amiga File Archive |
| ZOO file extension | N/A | ZOO Compressed Format |
| ZPAQ file extension | N/A | ZPAQ Compressed Archive |
| ZPI file extension | N/A | Zipped Format |
| ZPK file extension | Z-Firm LLC | Z-Firm Package |
| ZPT file extension | ZONER, Inc. | Zoner Photo Studio Template |
| ZSQL file extension | N/A | ZIP Compressed SQL |
| ZW1 file extension | EPLAN Software & Service GmbH & Co. KG | EPLAN Project Backup |
| ZW2 file extension | EPLAN Software & Service GmbH & Co. KG | EPLAN Symbols Backup |
| ZW3 file extension | EPLAN Software & Service GmbH & Co. KG | EPLAN Standard Sheet Backup |
| ZW4 file extension | EPLAN Software & Service GmbH & Co. KG | EPLAN Forms Backup |
| ZW5 file extension | EPLAN Software & Service GmbH & Co. KG | EPLAN Macro Backup |
| ZW6 file extension | EPLAN Software & Service GmbH & Co. KG | EPLAN Parts Backup |
| ZW7 file extension | EPLAN Software & Service GmbH & Co. KG | EPLAN Dictionaries Backup |
| ZW8 file extension | EPLAN Software & Service GmbH & Co. KG | EPLAN Configuration Data Backup |
| ZX01 file extension | WinZip Computing, S.L. | Extended ZIP Split Archive |
| ZX02 file extension | WinZip Computing, S.L. | Extended ZIP Split Archive |
| ZZ file extension | N/A | ZZip Compressed Archive |
| _DD file extension | Symantec Corporation | Norton Disk Doctor Repair |
| __A file extension | Le Minh Hoang | FFSJ Split/join Format |
| __B file extension | Le Minh Hoang | File Splitter & Joiner Encrypted Archive Format |
| ~CP file extension | Micro Focus International plc | Borland C++ Builder Source Backup |
| ~CW file extension | New Wave Concepts | New Wave Concepts Circuit Wizard Backup Format |
| ~DE file extension | Micro Focus International plc | Borland C++ Project Backup |
| ~DP file extension | Embarcadero Technologies, Inc. | Delphi DPR Project Backup |
| ~H file extension | Embarcadero Technologies, Inc. | Borland C++ Builder Backup Source |
| ~MN file extension | Symantec Corporation | Norton Commander Menu Backup |
| ~Y7 file extension | Trafficware Ltd. | Synchro Studio 7 Backup Format |
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