From the Tools menu, select Options and then go to the General tab and check
the box for "Confirm conversions at open" Then when you attach the data
source to the mailmerge main document, you will be given options for the way
in which the connection should be made. Try the DDE method.

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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
>I have a mail merge set up to include a text block which sometimes exceeds
> the 256 character limit on merge fields. Which used to work just fine, but
[quoted text clipped - 7 lines]
> Thanks very much,
> Hope