Vid-20170829-wa0027.mp4

According to technical community discussions on Forensic Focus , the name follows this specific logic: : Indicates the file is a video.

If you are having trouble sending the file itself, the WhatsApp Help Center suggests checking your internet connection or ensuring the app is updated to the latest version. VID-20170829-WA0027.mp4

: A sequential number indicating it was the 27th video processed by WhatsApp on that specific day. Tips for a "Proper Post" VID-20170829-WA0027.mp4