Download File: Vid-20210604-wa0019.mp4

: The date the file was saved or received, formatted as YYYYMMDD (June 4, 2021).

: Check the internal storage path: WhatsApp > Media > WhatsApp Video . Download File VID-20210604-WA0019.mp4

: The file extension, confirming it is an MPEG-4 Part 14 video file, a common format for streaming and sharing. 🛡️ Safety and Verification : The date the file was saved or

: A sequential serial number. This indicates it was the 19th video received or sent through the app on that specific day. 🛡️ Safety and Verification : A sequential serial

: These are usually saved directly to your Photos app if "Save to Camera Roll" is enabled.

Knowing if you are trying to recover it , worried it's a virus , or simply curious about its origin will help me provide more specific guidance. WhatsApp media file naming convention - Forensic Focus