: Right-click the file, select Properties , and go to the Details tab to see dimensions, bit rate, and frame rate.
: Many systems name files by the time of day (e.g., 15:45 or 3:45 PM). 1545mp4
: If the file was interrupted during recording, tools like Handbrake can sometimes "re-encode" and fix minor structural errors. : Right-click the file, select Properties , and
If the file won't play or you need to know its origin, you can check its metadata: : Right-click the file
: Some models (like older Sony or Canon units) use four-digit numbering for sequences (e.g., MVI_1545.mp4). Are you having trouble playing this specific file, or Video Codec Checker | Online Test Tool - AdValify