If you found this file on your device or a shared drive, here is how the name is broken down: : Indicates the file is a video.
: A unique serial number assigned by the app for that specific day. How to View the Content VID-20150419-WA0140.mp4
: Search for the filename in your Google Photos or iCloud account, as many devices back these up automatically. If you found this file on your device
: Short for WhatsApp, identifying the app that created the file. VID-20150419-WA0140.mp4
: Look in your phone’s internal storage under WhatsApp/Media/WhatsApp Video/Sent or Private .
Since this is likely a personal media file from 2015, you can try these steps to see what it contains: