The name is structured to provide specific information about when the video was saved to your device: : Indicates the file is a video.
: The date the file was generated or received, formatted as YYYYMMDD (November 20, 2021). Download VID 20211120 WA0008 mp4
: A unique serial number indicating this was the 8th video handled by WhatsApp on that specific day. The name is structured to provide specific information
: The standard digital multimedia container format used for the video. How to Find or Download This Content formatted as YYYYMMDD (November 20