Under Import Contacts, select the source for the import, for example a Google account, Facebook account or another service listed.In Sky Yahoo Mail, select the Contacts icon.Import contacts from another email service, such as Outlook or Hotmail Next to When sending messages: check the box next to 'Automatically add new recipients to my Contacts.'.In the Tools Menu on the top right of the screen, select Settings and then Writing email.You can also change your settings to always add new addresses that you email to your contacts list: