To check addresses
If a message recipient’s address is in your address book, type the person’s name and either wait for Outlook to validate the name or press to immediately validate it.
To have Outlook search additional address books
On the Tools menu, click Address Book. Then in the Address Book window, on the Tools menu, click Options.
In the Addressing dialog box, click Add.
In the Add Address List dialog box, click the address list you want to add, click Add, and then click Close.
In the Addressing dialog box, click OK, and then in the Address Book window, click the Close button.
To send ...