.AC3

.AC3 file extension

This is the basic program to work with .AC3 extension

QuickTime

QuickTimeAC3 Audio

QuickTime is a media player that supports most common audio and video formats. It also comes with a basic image viewer that supports most popular image formats. It offers a simple GUI with basic buttons to play, seek, and adjust volume. It is a bit slow to open, but other than that it performs well during audio and video playback. It works great with HD and Full-HD videos... (more)

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

.AC3 extension is also supported by the following programs:

VLC media player

VLC media playerVLC media file (.ac3)

The most popular free media player that can play any video format.
AVS DVD Player

AVS DVD PlayerAVS DVD Player File

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

Creative MediaSourceMySQL Tools for

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

QvodPlayerMySQL Tools for

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

AVS Media PlayerAVS Media Player File

Video and audio playback with customisable surround sound system.
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 PlayerMySQL Tools for

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

DVD X Player ProfessionalDVD X Player Audio File

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

KantarisKantaris Audio File

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

jetAudioMySQL Tools for

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

BlazeDVD ProfessionalBlazeDVD Audio File

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

DVD X PlayerDVD X Player Audio File

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

Nero EssentialsAC3 Audio

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

FantasyDVD PlatinumFantasyDVD Multimedia File

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