The thread entitled WOPR/Word PC <-> Mac compatibility (2K)
can now be found <a href=http://www.wopr.com/cgi-bin/w3t/showthreaded.pl?Cat=&Board=wopr&Number=205659&page =0&view=expanded&sb=5&o=31&part=>here</a>.
Reason: it is *mostly* WOPR-specific. However, if you have any resources on Windows/Mac compatibility for Word documents, please follow me there!