A xyp file extension is related to the XYWrite Plus, which is a word-processing software. A xyp file contains document.
XYP file extension - XY Write III Plus document
What is xyp file? How to open xyp files?
File type specification:
XY Write III Plus document - a text document created by XYWrite Plus which is a word-processing software program from The Technology Group.
Most likely some old format without support. No further information could be found.
This xyp 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.