: 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.
: The file extension, indicating it is a digital multimedia container format commonly used for video and audio. How to Manage This File 20180810 063712 mp4
: 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 : Most modern devices and browsers can play
Since this is a generic system-generated name, you likely found it in a backup, an old SD card, or a cloud storage service like Google Photos. Here is how to handle it: try using VLC Media Player