The following options are available:
Automatically collect new E-Mail addresses when sending or reading E-Mail messages by activating this function in the E-Mail settings.
Manually adding email addresses to an address book
How to manually add an email address to an address book:
Select an E-Mail.
Click on the sender's or a recipient's name in the detail view.
Click onin the pop-up.
Parent topic: Managing E-Mail messages