: For a deep look at the encoding (such as whether it uses the H.264 codec), tools like MediaInfo or the VLC Media Player (under Tools > Codec Information) can provide creator data and technical specs.
: The "h" prefix followed by a numeric string often indicates a "hidden" attribute in some file systems or a manufacturer-specific coding for date/time/sequence. How to Inspect the File h01032331.mp4
: Right-click the file > Properties > Details tab. This can reveal the "Media Title," frame rate, and sometimes the camera model or date created. Mac : Right-click > Get Info > More Info . : For a deep look at the encoding