Cheers gmmastros. however i now have this:
SELECT contact1.Accountno, contact1.company, contact1.key4, contact2.uxdate, contact1.contact, contact1.zip
FROM contact1, contact2
WHERE (contact1.accountno=contact2.accountno)
AND (contact1.key4 NOT IN ('EEF','CLA','FPI'))
AND ((Case When...