The fact you're having trouble with two different versions of Adobe Acrobat Pro, one of which I use extensively with the same Word version as you, suggests your Office installation needs repairing. If you're unwilling to do that (and it's a common-place fix for many niggling Office problems), that's up to you - but don't expect things to fix themselves.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]