A family of Microsoft word processing software products for creating web, email, and print documents.
It is not possible to retain Excel's conditional formats when doing a mailmerge. However, you can apply the same logic that created the conditional formatting to the Word mailmerge main document itself. See Conditionally Format Mailmerge Output and Conditionally Shade Table Cellsin the Mailmerge Tips and Tricks thread at:
http://www.msofficeforums.com/mail-merge/21803-mailmerge-tips-tricks.html