A quote from their blog site: From Yahoo!'s viewpoint, any signed-in user involving with Yahoo! services is a valued individual, whether she verifies using a Yahoo!, Facebook, or Google ID.
Sign In Yahoo Mail with Facebook Account
Login to Yahoo Mail account on PC/Desktop computer
First you require a username and password; now open internet browser from your computer/desktop. Then open web page www.yahoomail.com on it. To initiate their brand-new "one-click" sign-in just click on the "Sign in with: Facebook" symbol on the Yahoo! login display. That's all you need; to obtain gain access to of your Yahoo mail account.
Login to Yahoo Mail account on Mac computer system
If you are a customer of Mac computer system then Safari should be your internet internet browser. Safari is the most effective browsing service for Mac OS; Safari fasts, faster as well as easy to use browser. You could conveniently access your Yahoo Mail account with it. See, how to login with Yahoo mail account on Safari browser. Simply open Safari and kind www.yahoomail.com; you will certainly be guided to Yahoo mail sign-in web page. To initiate their new "one-click" sign-in just click the "Sign in with: Facebook". You are then totally signed into Yahoo!
Nevertheless, a recommendation- you still won't be able to authorize right into a mobile or desktop customer making use of Google OpenID.
I hope this short article could help you. Thanks ...