So the problem is not about changing the file extensions, but about “circumventing” the FairPlay encryption. MP4 is the most universal video format supported by nearly all devices. That is the difference between M4V and MP4. It means that, outside of the Apple ecosystem, you probably cannot do anything with these files. The video (which is with M4V format) you download from iTunes are probably “protected” by FairPlay. iTunes M4V videos, which refer to the movies, TV episodes, music videos purchased from iTunes store, are encoded with a DRM technology called, euphemistically, “FairPlay”. However, it is not the same thing to iTunes M4V videos. As to this issue, there is no conversion needed. Unprotected M4V files may be recognized and played by other video players by changing the file extension from “.m4v” to “.mp4”. mp4 are extensions for the MPEG-4 Part 14 container format.
M4V, short for “MPEG for Video” is a special video format that mainly used by Apple. 3 Steps to Convert iTunes M4V to MP4 on Mac and on Windows:.What we are looking for is an iTunes DRM M4V to MP4 video converter.
