Why does Office 2011 for Mac show imported contacts as blanks?

I exported Outlook Contacts from Outlook 2010 (Win 7) as a .csv file, and no matter what I try, I just get blank Contacts listed. However, I can use the Contact Search functionality to find particular contacts, and the information is displayed normally in the Contact Search box. So how do I get the contact info to display in Contacts main window?

Here's how things look:
http://www.burntscarlet.com/_test/help_forums/outlook_2011_mac.png