Use tools like MediaInfo or ExifTool to see the creation date, original file name, or the software used to encode it.
GitHub - dcollien/mp4filechecker: Check a File or Blob to determine if it is an mp4 file matching a particular codec and dimensions. 0gu0dd1mjpdmvzcmu930v_720p.mp4
Most standard players like Windows Media Player or QuickTime support MP4 files natively. Use tools like MediaInfo or ExifTool to see
If it’s a clip from a movie or viral video, you can upload a screenshot to Google Images or TinEye to find its origin. If it’s a clip from a movie or
Many websites rename uploaded videos with unique identifiers to prevent file name collisions on their servers.
It may be a partial download or corrupted. You can try a dedicated Video Repair Tool .
Are you trying to find the of this video, or are you having trouble playing the file ?