: Short for WhatsApp , identifying the app that generated the file name.
If it is in the main folder, it was likely received from someone else. VID-20210920-WA0033mp4
If it is in a subfolder named , it is a video you sent to a contact or group. : Short for WhatsApp , identifying the app
This file is typically stored in your phone’s internal storage under: WhatsApp > Media > WhatsApp Video . : Short for WhatsApp