Vid-20170210-wa0040

: The date the file was saved to the device (Year-Month-Day format). WA : Stands for WhatsApp .

: Short for "Video." (You’ll see IMG for photos or AUD for audio). VID-20170210-WA0040

: When WhatsApp chats are submitted as evidence in legal cases or government reports, files are often cited by their raw filenames. : The date the file was saved to

: People frequently upload videos to cloud storage or public forums without renaming them. This makes the raw filename the only "title" the search engine can find. VID-20170210-WA0040