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.MP3 File Extension

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File TypeMP3 Audio File

DeveloperMoving Picture Experts Group
4.2 (260 Votes) Thanks for voting!
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.


Compressed audio format developed by the Moving Picture Experts Group; uses "Layer 3" audio compression; commonly used to store music files and audiobooks on a hard drive; may provide near-CD quality sound (stereo, 16-bit) in a file roughly 1/10 the size of a .WAV or .AIF file.

More Information

The quality of an MP3 file depends largely on the bit rate used for compression. Common bit rates are 128, 160, 192, and 256 kbps. Higher bit rates result in higher quality files that also require more disk space.

MP3 files are supported by most portable music players, such as the Apple iPod and Microsoft Zune. They can also be played on the Amazon Kindle. Symbian OS mobile phones can play MP3 files using the UltraMP3 program.

View the MP3 definition.

Program(s) that open .MP3 files
Microsoft Windows LogoWindows
Microsoft Windows Music
Microsoft Groove Music
Microsoft Zune
Microsoft Windows Media Player
Apple iTunes
Nullsoft Winamp
Xilisoft Video Converter Ultimate
VideoLAN VLC media player
Roxio Creator NXT Pro 3
DVDVideoSoft Free Audio Converter
Adobe Audition CC 2015
Other music player
Mac OS X LogoMac
Apple iTunes
VideoLAN VLC media player
Roxio Toast 14
Adobe Audition CC 2015
Other music player
Linux LogoLinux
VideoLAN VLC media player
Web LogoWeb
Google Drive
iOS LogoiOS
Apple Music
Microsoft Groove
olimsoft OPlayer
VideoLAN VLC for iOS 2
Android LogoAndroid
File Viewer for Android
Microsoft Groove
Updated 9/17/2015