: It is the most popular video format, supported by almost all digital devices, including smartphones, TVs, and media players like VLC .
: You can embed subtitles, multiple audio tracks, and chapter information directly within the file. 7467mp4
If "7467mp4" refers to a specific clip you’ve encountered, it may be a default filename from a Sony camera or a stock video clip. If you meant a different tool or application, please provide more regarding where you saw the name. MP4 files explained: How to open and use - Adobe : It is the most popular video format,