That suggests the document was updated with the 'Track Changes' setting on, or that the old links weren't actually deleted. For the 'Track Changes' issue, go to Review>Changes, click on the down arrow below 'Accept', then choose 'Accept all changes'. Also, Word has an option to warn you if a document contains Tracked Changes, under File|Options>Trust Center>Privacy Options. You should either keep that option checked or, before sending a document elsewhere, use the 'Prepare for Sharing>Inspect document' tool to check the document.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]