: A comprehensive look at what MP4 files are, how to open them, and their balance of quality versus file size.
If you are looking for information on how to handle, edit, or convert MP4 files in general, here are some high-quality resources: General MP4 Guides & Troubleshooting XUWmDtKm.mp4
Do you have on where you found this file or what it's supposed to contain? Easy recorded video playback via MP4 & RTSP : A comprehensive look at what MP4 files