: If you need more details (like the GPS location or the device used), right-click the file on a PC, select Properties , and go to the Details tab. Are you trying to recover this specific file, or

This format allows you to identify exactly when the file was created without opening it:

: Most modern devices and browsers can play .mp4 files natively. If it won't open, try using VLC Media Player , which handles almost all video codecs.