Pm020.mp4 -

: 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

Provide more context so I can help you find the exact content. changing meta data for mp4 files - Microsoft Community : It likely uses the H

: It almost certainly contains AAC (Advanced Audio Coding) audio. PM020.mp4

: In professional video editing, files are often labeled by project codes. "PM" might stand for Project Manager , Product Marketing , or a specific internal project code (e.g., "Project Midnight").