Knowing if it’s from a specific website, a camera, or a corrupted hard drive would help me give you more specific details.
To avoid losing track of this file again, consider renaming it using a descriptive format: Example: 2022-12-23_Christmas-Eve-Party_Home-Video.mp4 VID_20221223_194103_236-NRjoAYjH.mp4
If you found this filename in a list and don't know what it is, try these steps: Knowing if it’s from a specific website, a
Check Google Photos, iCloud, or Dropbox for the date Dec 23, 2022 . Most services allow you to search by date. try these steps: Check Google Photos