How to open ACT file extension?

The author of advice: Mr Brankiewicz

ACT files are incessantly popular. However, a file name containing ACT file extension is problematic for some of the users. They have problems with correct opening of a file with ACT extension. However, it should be remembered that ACT file extension can match one or more types of files. The most popular is ADPCM Compressed Audio Format but if there are others, you will find information concerning them below.

So, it is worth looking close at the problem concerning ACT files and search for its solution.

A list of programs supporting files types with ACT extension can be found below. Applications are sorted according to appropriate operational systems and their popularity.

  • ADPCM Compressed Audio Format

    .act file extension

    Category: Audio/Music Files

    OS Software
    Windows Logipole Konvertor Logipole Konvertor
  • Genesis3D Actor Format

    .act file extension

    Category: 3D&CAD Files

    OS Software
    Windows Eclipse Entertainment Genesis3D Actor Viewer Eclipse Entertainment Genesis3D Actor Viewer
    Caligari trueSpace Caligari trueSpace
    chUmbaLum sOft MilkShape 3D chUmbaLum sOft MilkShape 3D
    Autodesk 3ds Max 2011 Autodesk 3ds Max 2011
  • Adobe Photoshop/Illustrator Color Table

    .act file extension

    Category: Configuration Files

    OS Software
    Windows Adobe Photoshop CS5 Adobe Photoshop CS5
    Adobe Illustrator CS5 Adobe Illustrator CS5
    MAC OS Adobe Photoshop CS5 Adobe Photoshop CS5
    Adobe Illustrator CS5 Adobe Illustrator CS5
  • FoxPro Documenting Wizard Action Diagram Format

    .act file extension

    Category: Document Files

    OS Software
    Windows Microsoft Visual FoxPro 9.0 Microsoft Visual FoxPro 9.0
  • DS Game Maker Action Format

    .act file extension

    Category: DEV Files


How to check if a file we want to open is not infected by malware or viruses?

  • Download Malware/viruses removal tool from ACT files in the Windows system.
  • Click “Start scanning” and wait until the programme performs the scanning process on your computer.

What are the reasons of errors concerning ACT extension of files?

The problem that often causes damage concerning ACT extension are Windows system registry errors. That is why, in the first place it is recommended to:

  • Scan computer in order to identify, repair and open the ACT file
  • Check system registry from the angle of hidden errors
  • Repair file’s associations with programs in the system registry

If you are not sure if the above problems concern you, you should consider other frequent irregularities:

  • You do not have an appropriate application installed that supports ACT file extension
  • ACT file is corrupted
  • The application’s version necessary to open the file is not correct
  • The file is not assigned to an appropriate program

Solving problems with ACT files


If ACT file does not open, firstly, it is worth using files associations built in the Windows system with application that can support them. In order to do it, you should double-click a ACT file icon. A list of programs that probably support such a file will appear. It is enough to choose one of them so that Windows would open a given extension with it. Incorrect file’s association will result in Windows trying to open ACT file with a wrong program all the time even if there is an appropriate application supporting this format on a drive. In this case, it is necessary to perform the above mentioned registry scanning and associations’ repair.

If associations are correct and Windows still cannot open the file, most probably the computer does not have appropriate software supporting files with name containing ACT in their extension. The solution to this problem is very simple. You should buy or download a free (if they exist) application that will allow you to open, browse and edit ACT format (You can also try to find more informations on FileInfo). It is no risk because many paid programs have free test versions enabling to check their functionality.

Do you have extra information about a ACT file? [ Add information about a ACT file ]

ADV file extension AFC file extension

5 564

of file extensions

8 858

of file types

5 504

of applications opening the files

1 661

of producers