Tamvideomp4 -

: Beyond video and audio, an MP4 "container" can hold metadata, subtitles, and even 2D or 3D graphics.

: if a file won't open, tools like Fix.Video or Untrunc can sometimes recover the video data from broken headers. TamVideomp4

: MP4 is the standard for web video and is natively supported by almost all digital devices, including smartphones, TVs, and computers. : Beyond video and audio, an MP4 "container"

Media Data Info - Download and install on Windows - Microsoft Store : Beyond video and audio