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>> AC3 file

AC3 file format description

Many people share .ac3 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ac3 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ac3 files.

1 filename extension(s) found in our database.

.ac3 - AC-3 Compressed Audio

AC3 file is an AC-3 Compressed Audio. Lossy format designed for the efficient encoding of surround sound, developed to support motion picture presentations in theaters and at home.

.ac3 file format description:
AC3 format
AC3 Filter
Audio files
- / -
AC-3 Compressed Audio related links:
AC-3 Compressed Audio related extensions:
FMOD CELT Compressed Audio
Yamaha Electone HS User Voice
Adobe Flash MP4 Audio Book
LucasArts AdLib Audio
TFM Music Maker Music
Ensoniq VFX-SD Instrument

Naturally, other applications may also use the .ac3 file extension. Even harmful programs can create .ac3 files. Be especially cautious with .ac3 files coming from an unknown source!

Can't open a .ac3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .ac3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

a3c, qc3, c3, ad3, acr, ac, ca3, af3, acw, ace

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Alice v3 Class
Casio WK-1800 Save All Data
ACRobot Script
Alan v3 Adventure Code
Quick Chart 3 Map
Accessibility Wizard Settings

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