Well, there's nothing in the code that relates to 'Track Changes', so whether any changes as a result of the Find/Replace are tracked depends entirely on whether you have 'Track Changes' on. If, however, your concern is that the Find is not matching with some strings, the most likely cause is that what is to be found by the Find expression spans a range that partly includes a 'Tracked Change'. You need to provide more details.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]