XY4 file extension - Unknown file extension
What is xy4 file? How to open xy4 files?
File type specification:
The xy4 file extension seems to be in use for certain files that are mentioned on the internet. However, we have not yet found their original program nor any specific information about it.
If you know some more useful informations about the xy4 file extension, please let us know in the discussion below or on our forums.