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: A unique serial number assigned by the app to distinguish it from other videos saved on that same day. How to find out what is in the video:

The filename is a generic name automatically generated by WhatsApp .

: 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.

: Look at the WhatsApp conversation where you received the file. The context of the chat will usually tell you what the video is about.

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