Most modern operating systems will open it automatically via Windows Media Player or QuickTime.
The MP4 (MPEG-4 Part 14) format is the industry standard for digital video due to its balance of quality and file size. Ajb06759 mp4
Often a proprietary code for a specific camera model, a user-defined folder name, or a sequence identifier. Most modern operating systems will open it automatically
If you have encountered this specific file on a storage device: a user-defined folder name
It acts as a "container" that can hold video, audio, subtitles, and metadata in one file.