Vid-20210822-wa0189mp4 -

: If you have the file on a computer, right-click it and select Properties (Windows) or Get Info (Mac). Sometimes the "Origin" or "Description" fields contain hints, though WhatsApp usually strips this data for privacy.

: The date the video was saved or sent (August 22, 2021). WA : Stands for "WhatsApp." VID-20210822-WA0189mp4

: If the video is a clip from a movie, tutorial, or famous event, you can take a screenshot of a clear frame and use Google Lens to search for the original source. : If you have the file on a

The filename is a generic name automatically generated by WhatsApp . or famous event