Originally Posted by macropod

In that case, when you tell Word to Finish the merge, tell it what record # to end at (this will be 1 less than the last used row's #). Alternatively, you could use a SKIPIF field to tell Word to ignore any rows for which a given field is empty. Do note that the second solution could result in the merges taking much longer than the first one, as each record still has to be evaluated.