Aside from asking someone else who's actually tried it, I think you'd have to ask AM directly. Somehow I doubt it, as the programs are completely different (eg you can't actually run Mac Office on a Windows PC) and, unless you're planning to use Wine on the Mac (or run Windows on it) so that you can run the PC version of Office, you'd need to obtain copies for both platforms.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]