Outlook 2003 not displaying email addresses in inbox

I have an outlook 2003 connected to sbs 2003 - in the inbox in the 'From' field it displays the display name of the sending email address which is right, i want to be able to see the email address as well. I added the 'Email account' field to the inbox columns but that just shows 'Microsoft Exchange Server' for every message.
I have seen on the Internet various people asking the same question - there must be a way to do it i would have thought?
Interestingly, Outlook 2010 connected to Exchange 2007 does display the senders email address when you add that field?

thanks
Andrew