Unable to see contacts in Address Book

If you can see your Contact information in your Contacts folder but are unable to see them when selecting Tools Address Book... follow the instructions below:

Open Outlook and choose Tools Email Accounts...
Click on Add a new directory or address book, then Next >.
Select Additional Address Books then click Next >.
Choose Outlook Address Book from the list of additional address book types, then click Next >.
You will be prompted to close Outlook and reopen it for the changes to take effect.
Open Outlook and right click on the Contacts folder on your Outlook Today shortcuts.
Choose Properties.
Click on the Outlook Address Book tab.
Check the Show this folder as an e-mail Address Book box.
Click OK and check you can see your contacts in the address book by choosing Tools Address Book...