Vid-20201219-wa0370mp4 May 2026

: Right-click the file and select "Properties" (Windows) or "Get Info" (Mac) to see the file size and exact creation time, which might help you remember the context.

: The filename appeared in a system error log or a transfer history. How to identify the content VID-20201219-WA0370mp4

: A sequential serial number assigned by the app to distinguish it from other videos saved on that same day. .mp4 : The digital container format used for the video. Why you might be seeing this : Right-click the file and select "Properties" (Windows)