Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .ac3

1 extension(s) and 1 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ac3 file?
  • Which program can create the .ac3 file?
  • Where can you find a description of the .ac3 format?
  • What can convert .ac3 files to a different format?
  • Which MIME-type is associated with the .ac3 extension?
AC-3 Compressed Audio .ac3 file icon

AC-3 Compressed Audio

The 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.
Category: Audio files
Application: AC3 Filter
Program name: -
Mime-type: audio/ac3
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Audio Interchange File
CD Audio Track
MIDI Music
MPEG Audio Layer 3 Data
Real Audio Sound
Macintosh Sound Resource
Amiga 8SVX Sound
Creative Labs Sound Blaster Sound
Windows Waveform Sound
SPICE AC/Frequence Data .ac1 file icon

SPICE AC/Frequence Data

The AC1 file is a SPICE AC/Frequence Data. SPICE (Simulation Program with Integrated Circuit Emphasis) is a widely-used circuit simulation program. It was developed as public domain software at the University of California and versions 2G6 (vanilla SPICE) and 3.0 are still used.
Detailed description not available
Category: Data files
Application: SPICE
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
ac2, ac3, ac4, ac5, ac6, ac7, ac8, ac9
Related extensions:
SPICE Status Data
SPICE Sweep Operations Output Data
SPICE Transient Analysis Output Data
SPICE Initial Condition Data

Other types of files may also use the .ac3 file extension. If you have helpful information about .ac3 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Alice v3 Class
CaseWare Working Papers Client File
WinAce Archive
Audio Comparer Results Data
Accessibility Wizard Settings
3-bit ADPCM Compressed Audio
Micrografx ABC FlowCharter 3 Document
ActionScript 3.0 Source Code
Panasonic Arbitrator Video Data

The .ac3 filename extension is often given incorrectly!

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

af3 (1), acw (1), ace (1), a3c (1), xc3 (1), ca3 (1), ax3 (1), as3 (1), ad3 (1), acr (1), ac (1), a3 (1), qc3 (1), c3 (1), av3 (1)

Can't open a .ac3 file?

If you want to open a .ac3 file on your computer, you just need to have the appropriate program installed. If the .ac3 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ac3

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android