The filename appears to be a standardized naming convention for a video file, likely exported from a professional security system or a digital camera. Decoding the Filename
: If this is security footage, it is best practice to keep a backup on a separate cloud drive or external HDD, as these files are often overwritten by NVR (Network Video Recorder) systems after a set period. 20211108-1_1080pmp4
: You can open this file in standard media players like VLC Media Player , QuickTime , or Windows Media Player . The filename appears to be a standardized naming
: If you need to clip specific footage, free tools like Shotcut or DaVinci Resolve work well with this format. 20211108-1_1080pmp4