Author: Brady Gavin / Source: How-To Geek
A file with the .m4v file extension is an MPEG-4 Video (M4V) container file format, also known as an iTunes video file. This is the primary type of file used when purchasing or renting any video from the iTunes store.
What Is an M4V File?
Developed by Apple, M4V files are very similar to the MP4 format, which are both based on the MPEG-4 video container format.
The main reason behind creating it was to put a level of security, which adds Apple’s FairPlay DRM protection, on anything from the iTunes Store. This prevents anyone attempting to view or copy these files on a device that isn’t made by Apple, such as iPhone, iPad, iPod, etc.Other than the use of DRM, the other differences are that M4V files use the H.264 video codec exclusively, allow the storage of chapter information, and can deal with AC3 (Dolby Digital) audio files.
How Do I Open an M4V File?
To open a…
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