Microsoft Outlook Question:

When addressing e-mail, you can choose from Contacts items -- usually. If contacts don't appear, right-click the Contacts folder, choose Properties, and then click the Outlook Address Book tab. Make sure the Show This Folder As An Email Address Book is checked. If that option is dimmed, choose E-mail Accounts from the Tools menu and then choose View Or Change Existing Directories Or Address Book and do one of the following:

If Outlook Address Book isn't in the list, add it. Then, close Outlook and restart it.
If Outlook Address Book is listed, delete it, close Outlook, restart, and then add it.