If you cannot open the file or are unsure of its origin, you can use these methods to identify it:
If you can take a screenshot of a unique frame from the video, you can perform a reverse image search to find the original source. g7103.mp4
Tools like MediaInfo can reveal the technical "Major Brand" or "Compatible Brands" within the file's header, which sometimes points to the software or device that created it. If you cannot open the file or are
Many cameras generate sequential alphanumeric filenames (e.g., "G" followed by four digits). "G7103" could simply be the 7,103rd file recorded by a specific device. g7103.mp4