Mp4 — Vid 20170309 Wa0010

WhatsApp uses a specific naming convention to keep files organized: Identifies the file type as a Video.

A sequential serial number used to distinguish multiple videos sent or saved on that same day. Why You Might Be Seeing This VID 20170309 WA0010 mp4

If you are trying to trace the origin of a specific clip, this filename confirms it passed through WhatsApp on March 9, 2017. WhatsApp uses a specific naming convention to keep