Word's mailmerge cannot do CCs. You can use vba, though, and there are free utilities for this. See, for example:
http://www.gmayor.com/MailMergeWithAttachments.htm
or, if you want to do some coding for yourself:
http://word.mvps.org/FAQs/MailMerge/...ttachments.htm

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]