An earlier message in this group reminded me that I hadn't got around to
creating macOS-based packages for the old Word for Word file-conversion
utilities, as I had done a while ago for Windows. I threw two macOS apps
together (adapting older projects) and you can find them here:
http://www.columbia.edu/~em36/legacyfileconvertersmac.html
Remember: if your browser can't find the page, then make sure that the
address in the browser's address bar begins http:// and not https://
These programs come with absolutely no support. You're on your own when
using them. I needed to experiment a half-dozen times with different
settings before I got the results I wanted. Probably you will have to do
the same. If you can manage XyWrite, you can manage these programs.