Vid-20190324-wa0013mp4 -

: A sequential serial number assigned by the app to distinguish between multiple media files received on that same day.

Are you trying to from that date, or

: It could be a placeholder or example in a study regarding how students or educators share resources via messaging apps. VID-20190324-WA0013mp4

: Stands for WhatsApp , the platform through which the media was shared. : A sequential serial number assigned by the

: The file extension, confirming it is an MPEG-4 video file, which is a standard supported format for WhatsApp media. Context for "Paper" VID-20190324-WA0013mp4