: It is the native format for iOS devices , Apple TV, and QuickTime.
: Apple often uses this format to apply FairPlay copy protection to movies and TV shows purchased from the iTunes Store. If a file is DRM-protected, it may only play on authorized Apple devices. Sins-1.m4v
: Like MP4, it supports H.264 video encoding and AAC or AC3 audio. : It is the native format for iOS
: If you need to play the file on a device that doesn't support M4V, tools like VLC or HandBrake can convert it to a standard MP4. Sins-1.m4v