To import contacts into an Outlook.com account:
Go to the top left of your inbox, click the arrow, and select People:

On your People screen click the option to import from a file:

Select Microsoft Outlook (CSV), browse to the file exported from Yahoo, and click Import:

Continue through the wizard and remove duplicate contacts, or return to Outlook.com by clicking the arrow near the top left:

Go to the top left of your inbox, click the arrow, and select People:


On your People screen click the option to import from a file:

Select Microsoft Outlook (CSV), browse to the file exported from Yahoo, and click Import:

Continue through the wizard and remove duplicate contacts, or return to Outlook.com by clicking the arrow near the top left:
