: A free, open-source tool widely used for converting M4V to more universal formats like MP4/H.264.
: If the file is unprotected (no DRM), you can often simply change the file extension from .m4v to .mp4 manually. 01A.m4v
: The VLC Media Player is highly recommended for opening M4V files on Windows, Mac, and mobile devices. : A free, open-source tool widely used for