1. On the Standard toolbar, click Address Book
2. Click Tools, and then click Options.
Note: If you open the Address Book from an open message, the Tools menu is not available. The Address Book must be opened by either method described in Step 1.
3. In the Show this address list first box, click the name of the address book that you want (For example, i choose my default address book is Global Address Book).
4. Click OK, and then close the Address Book.