: It likely uses the H.264 (AVC) or H.265 (HEVC) video codec.
If you have the file and are unsure what is in it, you can safely inspect it using these methods: PM020.mp4
: Right-click the file and select Properties > Details (Windows) or Get Info (macOS) to see the date it was created, which may provide a clue to its origin. : It likely uses the H
Based on standard naming patterns, this file likely falls into one of the following categories: 1. Security or Surveillance Footage PM020.mp4