VLC Media Player is often the best choice if you are having trouble with specific codecs.
If you are seeing this filename, it is likely one of the following: g371_001.mp4
Since it is an MP4 file , it is a standard digital multimedia container. You can open it with: Windows: Windows Media Player or Movies & TV . Mac: QuickTime Player . VLC Media Player is often the best choice
"g371_001.mp4" appears to be a specific file name rather than a widely recognized piece of media or a viral internet phenomenon. In a general context, it follows a standard often used by digital cameras, security systems, or video editing software. Mac: QuickTime Player
Many DVR and NVR systems (like those from Lorex or Swann) use alphanumeric prefixes like "g" followed by a channel number and sequence to name exported clips.