Open File Extension M4V

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File extension M4V is used by multimedia files that contain audio data encoded using MPEG4 Part 14 multimedia container format. The name stands for MPEG-4 Visual. This file extension 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 support M4V files. These include WinAMP, Apple QuickTime and others.

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