AC3 File Type

- The quick facts

What are AC3 files and how to open them

Are you having problems opening an AC3 file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an AC3 file?

An .AC3 file is a Dolby Digital audio file. Files that contain the .ac3 file extension are most commonly used for Audio Codec 3 files. The Audio Codec 3 is a Dolby Digital audio format that allows for up to 6 channels of audio output.

The AC3 file format was created in 1987 by Dolby Labs. This particular file format relies on AC3 compression, which allows users to compress audio streams by a factor of up to 12. This allows for higher compression ratios, saving a user's disc space.

How to open AC3 files

We have identified 1 AC3 opener for Windows that is compatible with this specific type of AC3 file.

Programs that open Dolby Digital audio files

We have not yet verified any programs for Mac that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
We have not yet verified any web services that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Last updated: January 19, 2022

Other file formats using extension .AC3

While Dolby Digital audio is a popular type of AC3-file, we know of 2 different uses of the .AC3 extension. Different software may use files with the same extension for different types of data.

SPICE Simulation File

The SPICE simulation program has also been known to use the .ac3 file suffix.

SPICE is a computer simulation and modeling program used by engineers to predict electronics circuits' behavior mathematically. Developed at the University of California at Berkeley, SPICE can simulate circuits of almost all complexities.

AC3 opener for Windows

SPICESPICEVerified
We have not yet verified any programs for Mac that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!
We have not yet verified any web services that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Various apps that use files with this extension

These apps are known to open certain types of AC3 files. Remember, different programs may use AC3 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Final Media PlayerFinal Media PlayerUser submitted
Any Video ConverterAny Video ConverterUser submitted
QuickTimeQuickTimeUser submitted
VLC Media PlayerVLC Media PlayerUser submitted
KMPlayerKMPlayerUser submitted
VAFPlayerVAFPlayerUser submitted
SyncUPSyncUPUser submitted
Nero MediaHubNero MediaHubUser submitted
MplayerMplayerUser submitted
PotPlayerPotPlayerUser submitted
We have not verified any software that we know for certain will work with AC3-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with AC3-files. If you know one, please use the 'Suggest a program' link below and tell us about it!