Excel's Remove Duplicates function is a built-in command that is not available in Word. If you are dealing with tables containing 5-10k rows then I would hazard a guess and say that Excel would probably be a better application to be working in. This would depend on the actual content you have in your tables though.

It would be possible to create a macro in Word that mimics the Excel functionality but it would take a lot of work and require a userform to give you the dynamic controls that Excel's function does.

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Andrew Lockton
Chrysalis Design, Melbourne Australia