MP4 file extension also referred as MPEG–4 Part 14 or MPEG-4 AVC (Advance Video Coding) is a digital multimedia format (MP4 File Format) introduced in 1998 for storing video and audio. MPEG is abbreviation for Motion Pictures Expert Group, accountable for establishing industry standards for Digital Audio & Video.
The MP4 file belongs to the category of Video Files.
ASCII Code: 4ISO Base Media file (MPEG–4) v1
Hexadecimal Code: 00 00 00 14 66 74 79 70 and 69 73 6F 6D
The MP4 or MPEG4 file can be opened by many softwares and applications that play video files like VLC, MX Player, default music player in operating systems and more.