Formally known as MPEG-4 Part 14 , it is a digital multimedia container format used to store video, audio, subtitles, and images.
MP4 files explained: How to open and use - Adobe FLRForLife.mp4
It is one of the most widely supported formats, compatible with nearly all modern devices, browsers, and operating systems without needing extra software. Formally known as MPEG-4 Part 14 , it
It could also be a private file, a specific meme, or a video from a small community (such as a gaming clan or a localized advocacy group) that has not reached mainstream documentation. Technical Profile: The .mp4 Format Formally known as MPEG-4 Part 14