Files with wvh file extension can be found as part of older WebView Livescope Viewer.
WVH file extension - WebView Livescope Viewer data
What is wvh file? How to open wvh files?
File type specification:
The wvh file extension was use in WebView Livescope Viewer program for one of its default file types. Looks like the program is discontinued and no longer available and as such this file type is probably obsolete.
This wvh file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.