.AC3

.AC3 file extension

This is the basic program to work with .AC3 extension

QuickTime

QuickTime AC3 Audio

Includes support for the key media formats, such as H.264 and AAC. The QuickTime web browser plug-in is no longer installed by default and is removed if you have a previous version of QuickTime on your PC. If you still need this legacy plug-in, you can add it back using the custom setup option in the installer... (more)

The program works with the following extensions: bmp, mp3, gif, mp4, jpg, swf, png, psd, mkv, avi, jpeg, mov, dv, au, qt, m4a, qup, aac, rts, amc, mps, mid, m4b, qif, ac3, amr, xpl, m4p, sd2, bwf, mac, mp2, m4v, dib, sdp, caf, jp2, mpa, m75, sdv, mpe, jpe, smf, cel, smi, dif, rgb, sgi, mpg, mpm, rmi, mpv, pct, sml, aif, flc, m2a, snd, mqv, pic, swa, fli, mmv, pls, ulw, gsm, pnt, wav, qcp, vfw, kar, qti, 3g2, qht, m15, m1a, 3gp, tif, m4e, m1v, m1s, tga, m2v, qtl, m3u, rtsp, midi, cdda, pntg, qtif, mpeg, smil, mpg4, aifc, pict, aiff, qhtm, moov, 3gp2, tiff, 3gpp, adts, mpga, targa, m3url and movie

.AC3 extension is also supported by the following programs:

VLC media player

VLC media player VLC media file (.ac3)

Plays most multimedia files as well as DVDs, Audio CDs, VCDs, etc.
AVS DVD Player

AVS DVD Player AVS DVD Player File

AVS DVD Player plays movie DVDs, video and audio files right on your computer.
Creative MediaSource

Creative MediaSource MySQL Tools for

A media player and organizer included in Creative Video Cards and PMP.
QvodPlayer

QvodPlayer MySQL Tools for

QVOD player (Nora) is a powerful universal player.
AVS Media Player

AVS Media Player AVS Media Player File

Open videos with almost any file extension such as AVI, MPEG, WMV, MP4.
Total Video Player by EffectMatrix Inc.

Total Video Player by EffectMatrix Inc. MySQL Tools for

Total Video Player is a media player supporting a vast number of file formats.
Haihaisoft Universal Player

Haihaisoft Universal Player MySQL Tools for

This program allows you to play your favorite multimedia files.
DVD X Player Professional

DVD X Player Professional DVD X Player Audio File

DVD X Player is a program you can use for video playback.
Kantaris

Kantaris Kantaris Audio File

Kantaris is a multimedia file player that supports a large variety of formats.
jetAudio

jetAudio MySQL Tools for

JetAudio Basic is a video and music player but it also can burn CD's,record,etc.
BlazeDVD Professional

BlazeDVD Professional BlazeDVD Audio File

Blaze DVD player displays a vast array of viewing screens.
DVD X Player

DVD X Player DVD X Player Audio File

DVD X Player is an advanced DVD video tool with a build-in converter.
Nero Essentials

Nero Essentials AC3 Audio

Nero, the best and more complete recording software.
FantasyDVD Platinum

FantasyDVD Platinum FantasyDVD Multimedia File

Try it and you will forget all the problems with audio and video files playing!