What is not formatting correctly? Are you using a feature in word 2002 (10) that is not available in word 2000 (9) ?

Otherwise binding to the 9.0 reference should work fine. Would be odd if you have both available but only word 2000 installed though...

The alternative is to convert to late binding which might do the trick. What you have descibed so far doesn't make me think this is the way to go quite yet though.