File Extension m4v Details and Technical Info

M4V file extension is used by multimedia files that contain audio data encoded using MPEG4 Part 14 multimedia container format. The name stands for MPEG-4 Visual. M4V file was originally introduced by Apple Inc in order to differentiate different types of multimedia encoded with MPEG-4 since the format itself specified single file extension File extension MP4 for any kind of file.

Many audio players can open M4V files. These include WinAMP, Apple QuickTime and others.

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