You can add the sender of a message to your list of contacts. To add a sender to your contacts, perform the following steps:
Open the folder that contains the message whose sender you want to add to your list of contacts. In the message list, select the message.
Alternatively, open the message whose sender you want to add to your list of contacts.
Choose Actions -> Add Sender to Addressbook. A Sender window opens. The Sender window displays the details for the contact.
Click on the Add to Contacts button. A Contact Quick-Add dialog is displayed.
To add the contact to your list of contacts, click OK.
Alternatively, to add more information for the contact, click on the Edit Full button. A Contact Editor window opens. For more information about how to complete the details in this window, see To Add a Contact.