There is only one file type that uses the .VCV extension:
ViewCave Video File
Proprietary video format developed by ViewCave International; used for distributing free-to-view legal content monetized by unobtrusive overlay ads; can be viewed with ViewCave's VCV Player.
ViewCave VCV Player has been discontinued and is no longer available for download.
|ViewCave VCV Player|
Updated: January 19, 2020