Thus, if you want to enjoy iTunes videos on other devices, you need to convert protected M4V to MP4 format first. It can be supported by most devices and platforms. Besides, DRM-ed M4V files are only permitted to be playable on Apple-approved devices. But various portable devices couldn't support M4V files. DRM-free M4V files are available for some media players. They are unprotected M4V files and DRM-ed M4V files. Generally speaking, M4V files could be divided to two different types. It is widely used to store iTunes movies, TV episodes, music videos, etc.
M4V, short for MPEG-4, is one of the standard formats of video file. What Is M4V and Why We Need a M4V Converter
