Vid-20200619-wa0339mp4 -

: The date the video was saved or received (June 19, 2020).

Go to the chat from June 19, 2020 , and look through the shared media. VID-20200619-WA0339mp4

Because this name is unique to the device it was saved on, only the sender or the person who has it in their WhatsApp "Sent" or "Media" folder knows what is inside. : The date the video was saved or received (June 19, 2020)