.MP4 File Extension
Run a free scan for .MP4 file extension errors.
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| File Description | Movie or video clip that uses MPEG-4 compression, a standard developed by the Moving Picture Experts Group (MPEG); commonly used for sharing video files on the Internet. The MPEG-4 video format uses separate compression for audio and video tracks. Video is compressed with MPEG-4 video encoding. Audio is compressed using AAC compression, the same type of audio compression used in .AAC files. MP4 files are supported by many video programs and various hardware devices, including the Microsoft Zune portable media player. |
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| Program(s) that open .MP4 files |
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| Updated 9/13/2011 |
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