There are 12 other file types using
the ACT file extension!

empty icon.act - Microsoft Office actor data

act icon.act - Adobe Photoshop/Illustrator color table

act icon.act - FoxPro Documenting Wizard Action Diagram data

empty icon.act - Action! presentation

empty icon.act - Animation:Master animation

empty icon.act - Train Simulator activity data

empty icon.act - DataWave data

empty icon.act - Genesis3D actor data

empty icon.act - DS Game Maker action data

empty icon.act - Fly! RAW image palette

empty icon.act - act/cut CAD drawing

empty icon.act - Stronghold game data

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ACT file extension - ADPCM compressed audio

What is act file? How to open act files?

File type specification:

Audio and sound file type icon Audio and sound file type

The act file extension is associated with the ADPCM compressed audio format.

ADPCM compressed file. Recorded by MP3 players or voice recorders.

Adaptive Differential Pulse Code Modulation (ADPCM) codecs are waveform codecs which instead of quantizing the speech signal directly, like PCM codecs, quantize the difference between the speech signal and a prediction that has been made of the speech signal.

This act file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open act file:

Konvertor picture or screenshot

Konvertor  Microsoft Windows software

Company or developer:

Konvertor is multimedia files manager/viewer and converter for Microsoft Windows. Konvertor is able to view and convert hundreds image, photo, animation, audio, video and text formats.

Help how to open:

Use compatible tools to work with *.act files.

How to convert:

Probably can be exported to other formats.

List of recommended software applications associated to the .act file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open act file, edit act file, convert act file, view act file, play act file etc. (if exist software for corresponding action in's database).

act file converter - software that convert act file - ADPCM compressed audio

Programs supporting the exension act on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Konvertor for convert act file action.

Microsoft Windows:

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