Contacts in Outlook 2003

Can anyone help me with this problem? Due to a hard drive failure I recently reinstalled Microsoft Office, and successfully managed to retrieve Calendar, Mails, and Contacts from .PST backup files I had, including the sub-folders on the contacts.

My problem is that on the preview pane when I right click an address and select “Look Up Contact” only those on the main folder show up, and not those on the sub-folders.

I also have the Plaxo toolbar installed, which shows that a contact in on my address book, even when “Look Up” fails (contact is in a sub-folder). “Find” on Outlook finds the contact successfully. Does anyone now how to set “Look Up” to search sub-folders?