If you are looking for a specific related to this file, or if this is part of a specific ARG (Alternate Reality Game) or mystery, please provide more context about where you encountered the name.
: Most devices generate filenames based on the date (YYMMDD) and time. A file with this name was likely recorded on June 17, 2019 . 190617.mp4
Are you trying to this file, or did you find it in a specific app's folder ? If you are looking for a specific related