Files with wyn file extension can be found as old documents from a program called WYNN.
WYN file extension - WYNN document
What is wyn file? How to open wyn files?
File type specification:
The wyn file extension is mainly related to WYNN, an older software solution from Freedom Scientific Inc., and used for its default file type.
Seems like obsolete product and file type as no further information about the origin of this file type could be found.
This wyn 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.