It is likely that is a temporary or system-generated file name, often associated with video recordings from mobile devices, cameras, or specific software backups.
: If you are comfortable with a command-line interface, ffprobe (part of the FFmpeg suite) can identify if the file is a standard video or actually another format like an Apple Voice Memo that has been mislabeled. Ajb08445 mp4
: This is a highly recommended tool for seeing exactly what is inside a video container. You can use the MediaInfoOnline tool to check technical metadata like the recording date, camera model, and exact video/audio codecs without installing software. It is likely that is a temporary or