Vid-20210925-wa0008mp4 -

: This is a sequential number, indicating it was the eighth video of that specific day for that user's WhatsApp media folder.

: Double-clicking the file on most modern operating systems will open it in default applications like Windows Media Player or QuickTime. VID-20210925-WA0008mp4

: If standard players fail, the VLC media player is a highly recommended free tool that supports nearly all MP4 variants. : This is a sequential number, indicating it

: This is the date the video was saved to the device, formatted as YYYYMMDD (September 25, 2021). WA : Denotes that the file was processed through WhatsApp. : This is a sequential number