@macropod - I don't know this for a fact, but my understanding is that word (maybe only mac version of word) connects back to adobe to do the export when hyperlinks are involved. This is a vague memory of something I read somewhere. It most definitely is giving an error related to "Internet access" when the he exports a large word document with in-document hyperlinks in the TOC

That doesn't really make sense, since the implication is that Word - which doesn't need Adobe - couldn't save a document as a pdf without an internet connection.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]

Thanks for the reply. I don't disagree but: 1) the failure only happens when export with hyperlinks activated in TOC (on Mac only, doesn't fail on PC) and the failure clearly indicates an internet issue; 2) I've a few post in forums indicating there is some library MS Word wants to access to do the export - but, again, since this doesn't happen on my PC I'm not up to speed on what's happening behind the curtain