While viewing a message, click Add to Address Book. The last name, first name, nickname (if any), and email address are entered in the Address Book.
Type any other information you want to include about the sender, then click Save. Your address book is updated to include the sender's address.
Click the Address Book tab. The address book window appears.
In the Quick Entry New Contact form at the bottom of the page, type the information you want in the three fields (or cut-and-paste information from another address book).
Click Add. The new contact information is added to your address book.
Click the Address Book tab. The address book window appears.
Click the Create New button. The address entry form appears.
In the form fields, type all information you want in the address book for this contact (or cut-and-paste information from another address book). You can leave any fields blank for information you do not need.
Click Save. A message appears informing you that the address book was successfully updated.
Note: The number of entries you can add to your address book is unlimited.