Pm020.mp4 «Browser»

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

: 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"). Provide more context so I can help you

: It likely uses the H.264 (AVC) or H.265 (HEVC) video codec. PM020.mp4

If you have the file and are unsure what is in it, you can safely inspect it using these methods:

Since the file has an .mp4 extension, it uses the container format. This means: