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.MP3 File Extension

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MP3 Audio File Icon
File TypeMP3 Audio File
DeveloperMoving Picture Experts Group
4.1 (211 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryAudio Files
File Format Description

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.

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
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Windows Phone
Digital Cloud Technologies Media Player for Windows Phone Icon Digital Cloud Technologies Media Player for Windows Phone
Updated 7/17/2015