Do you have a NEXT field in the catalog merge document? Remove it.
See also http://www.gmayor.com/mailmerge_from_outlook.htm

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Graham Mayor - Word MVP
My web site www.gmayor.com
Word MVP web site http://word.mvps.org
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> When merging my Outlook contact list to a mailmerge list (catalog) in
> Word the resulting printed document only lists the odd numbered
> contacts. While in the mailmerge document I've verified that "all"
> contacts are selected for the merge and I can preview ALL contacts
> but the printout only prints every other contact. Where am I going
> wrong?