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Navigation: Home > AC3 file

Informations about the AC3 filename extension and the file formats associated with it

We collected the information you should know about the .ac3 filename on this page. If you were sent a(n) .ac3 file in an e-mail, but you don’t know what to do with it, then you can find help here. We strive to suggest free, open-source applications that are available to everyone for the file formats.

1 filename extension(s) are in our database

.ac3 - AC-3 Compressed Audio

The AC3 file is a Audio file, which is connected to the AC-3 Compressed Audio according to our registry. With the adequate settings, the AC-3 Compressed Audio (.ac3) files can be opened or converted with the help of AC3 Filter.

Format description:
AC3 format
AC3 Filter
Magic string:
- / -
Related links:
Related extensions:
Sony ATRAC3 Compressed Audio
FMOD CELT Compressed Audio
Yamaha Electone HS User Voice
Adobe Flash MP4 Audio Book
LucasArts AdLib Audio
TFM Music Maker Music

Important! Programs other than the ones listed above may also use the .ac3 file extension. Even harmful programs can create files with the .ac3 extension to store data in them. Always be careful with .ac3 files coming from unknown sources. Don’t open executable files that arrived in mails, even if you know the sender.

The .ac3 file can’t be opened on your computer?

If the program necessary for opening the .ac3 file is installed properly on your computer, then the quickest and simplest way to open the .ac3 file is to double-click on the file’s name. If that doesn’t work, then the right software probably isn’t installed on your computer.

While opening the .ac3 file, you may receive an error message from the associated application, this can be caused by the following:

Incorrectly given .ac3 extension

The .ac3 filename extension can be given incorrectly sometimes. The cause of the error could be a mistake or a simple typo. We found the following incorrectly given filename extensions that are the most frequent in the case of .ac3 files.

a3c, qc3, c3, as3, ad3, acr, ac, xc3, ca3, ax3, af3, acw, ace

Maybe you’re not even looking for the .ac3 file extension?

It’s possible the the file’s extension was given incorrectly. Below, we list some filename extensions that are similar to the .ac3 extension. It’s possible that the one you’re looking for is among them.

Alice v3 Class
STABCAL Calculation Data
Eudemons Online 3D Model
ACRobot Script
Alan v3 Adventure Code
Casio WK-1800 Save All Data

Associated applications

The Windows operating system stores information about the applications associated to the file extensions in the registry database. The associations can be queried or modified in the Command Prompt window with the "assoc" command.

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We gladly accept application suggestions, but our primary goal is to suggest reliable, open-source applications that can be freely distributed to the users.

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