11693.mkv.mp4 -

A file processed by a tool like Sonarr or Radarr where the ID corresponds to a specific entry in a movie/TV database.

Use a tool like MediaInfo to see the "Original Source Name" often stored in the header tags. 11693.mkv.mp4

If you have this file and are trying to figure out what is inside it without playing it: A file processed by a tool like Sonarr

Many surveillance systems export clips using sequential numbering rather than timestamps. Ensure the video stream is actually H

Ensure the video stream is actually H.264 or H.265, which are standard for the .mp4 container.

An original Matroska Video ( .mkv ) file was likely run through a converter (like Handbrake or FFmpeg) to become an MPEG-4 ( .mp4 ) file.

Files named with raw IDs often lose their "friendly" metadata (Title, Director, Year), making them hard to identify without opening them. 🛠️ How to Identify the Content