: If the file won't open, the VLC Media Player is a highly recommended free tool that supports almost all video codecs.
It is likely that is a private, unique, or randomly named file, such as a recording from a personal device, a security camera clip, or a file downloaded from a specific hosting service that generates alphanumeric strings for filenames. General Information on MP4 Files tow9FC.mp4
I was unable to find a specific review for a file named in public databases or search results. : If the file won't open, the VLC