It is universally supported across smartphones, smart TVs, and web browsers. Managing Such Files
A chronological counter that indicates this was the 6,759th file recorded by that device. Extension (.mp4): The digital container format. The Role of the MP4 Format Ajb06759 mp4
It acts as a "container" that can hold video, audio, subtitles, and metadata in one file. It is universally supported across smartphones, smart TVs,
To find more context (like the date it was filmed or the camera used), you can right-click the file and select "Properties" (Windows) or "Get Info" (macOS) to view the metadata . MP4 files explained: How to open and use - Adobe It is universally supported across smartphones