Vid-20211113-wa0077mp4 -

: Indicates the date the video was sent or received via WhatsApp (November 13, 2021) in the YYYYMMDD format.

The naming convention follows a specific pattern that allows for easy chronological sorting: : Identifies the file as a video recording. VID-20211113-WA0077mp4

: The file extension indicating the video is in the MPEG-4 format, which is fully supported for sharing on WhatsApp . Key Characteristics : Indicates the date the video was sent

: In an Android file system, these files are typically found in the WhatsApp/Media/WhatsApp Video/ directory. If the file is in the Sent subfolder, it was a video you sent; otherwise, it was a received file. Key Characteristics : In an Android file system,

: While file names can be manually changed, these standard names are often used in digital forensics to suggest a video was shared via the app. WhatsApp media file naming convention - Forensic Focus

: Starting with the date (YYYYMMDD) ensures that files are automatically organized in chronological order when sorted alphabetically by name.