Select the Calendar icon and then select the New Event icon.Sky Yahoo Contacts doesn't export Facebook contacts, and the maximum number of contacts you can have in Yahoo Contacts is 5,000. Choose from the programs listed on the page and select Export Now button.
If you're importing contacts from a desktop email service you'll need to make sure that you can export your contacts in either a '.csv' or '.vcf' file format. Then sign in with your username and password, if prompted. Import contacts from another email service, such as Outlook or Hotmail
You can also change your settings to always add new addresses that you email to your contacts list:
