That is what the IF field is for.

{ IF {MergeField "State" } = "California" "CA" }

Didn't see the sense of including another mergefield if the only state is
California, if you need the mergefield, insert that instead.
--
Charles Kenyon

Word New User FAQ & Web Directory: http://addbalance.com/word

Intermediate User's Guide to Microsoft Word (supplemented version of
Microsoft's Legal Users' Guide) http://addbalance.com/usersguide

See also the MVP FAQ: http://www.mvps.org/word which is awesome!
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"theryno" wrote in message
...
How do I hide a mail merge field if it meets a certain condition (can I
use
the IF statement, if so how?)? For instance if STATE="California" then I
want the mail merge field (i.e. State Abbreviation) to show, if not, I
do
not want it visible.