163 (likely a millisecond marker or sequence number)
Technically savvy users often recommend cleaning these filenames for privacy: VID_20221119_155831_163.mp4
“I'm not saying you'll ever run afoul of the authorities, but there's no good reason to leave metadata that advertises where you got the files from on them in case you do.” Reddit · r/PleX · 3 years ago How to Create and Open an MP4 File 163 (likely a millisecond marker or sequence number)
If you didn't record this yourself and want to find its origin, you can extract a key frame and use Google Lens or Yandex Images to search for matches online. Community Perspective The filename provides a timestamp that
If you are having trouble viewing the file, most modern operating systems handle MP4s natively through Windows Media Player or QuickTime . For any playback issues, VLC Media Player is the most reliable cross-platform option. Community Perspective
The filename provides a timestamp that acts as a digital fingerprint. If you need a more in-depth review of the content itself, you can examine the internal metadata or use external tools: