In theory no. In practice some people report performance issues once you
get into the thousands of records. The solution to that is to execute the
merge a number of times, starting at different record numbers. For example
1 - 1000, then 1001 to 2000 and so on.
--
Hope this helps.
Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.
Doug Robbins - Word MVP