Word for Mac does not support Hebrew. You should be able to move the
document between platforms, but the Hebrew probably won't be readable in
Word for Mac.
If you want to see Hebrew & Arabic support in a future version of Word, be
sure to send the feature request to Microsoft. In any Office application,
go to Help -> Send Feedback. Otherwise, click on this direct link to enter
Mac Product Feedback:
<
http://www.microsoft.com/mac/feedback/suggestion.asp>
