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.AC3 File Extension

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File TypeAudio Codec 3 File

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Rare Uncommon Average Common Very Common
CategoryAudio Files


This file is saved in a binary format, which requires a specific program to read its contents.


Audio file saved in the AC-3 (Dolby Digital) audio format; can include up to six channels of audio (DD 5.1 surround sound with subwoofer output); uses lossy compression and often used as the format for DVDs, cinema theaters, and game consoles.

Programs that open AC3 files
File Viewer Plus
Microsoft Windows Media Player
Microsoft Groove Music
Apple QuickTime Player with AC3 Codec
Nero 2015
Nullsoft Winamp
CyberLink PowerDVD 16
Apple QuickTime Player with AC3 Codec
ShedWorx Smart Converter
Aiseesoft Video Converter Ultimate
PentaLoop PlayerXtreme Media Player
Updated 12/10/2015

FileInfo - The File Extensions Database

This page contains information about the .AC3 extension and its known file associations. Our goal is to help you understand what an AC3 file is and how to open it.

The Audio Codec 3 file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

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