: It is highly similar to the .mp4 format but often includes Apple-specific features like AC3 (Dolby Digital) audio or chapter markers.
: Developed by Apple, this format is the standard for videos in the iTunes Store, iPhones, and iPads. 2d079cf9-bb72-49c0-8817-fe3ffa11be50.m4v
: Unlike standard MP4s, M4V files can be protected by Apple's FairPlay DRM copy protection, which restricts playback to authorized devices. : It is highly similar to the
: Messaging apps like WhatsApp or Signal often rename media with these long strings when saving them to a local cache. and iPads. : Unlike standard MP4s