A quote from their blog: From Yahoo!'s point of view, any type of signed-in individual involving with Yahoo! services is a valued individual, whether she validates making use of a Yahoo!, Facebook, or Google ID.
Yahoo Sign In with Facebook
Login to Yahoo Mail account on PC/Desktop computer system
First you require a username and password; now open web internet browser from your computer/desktop. Then open web page www.yahoomail.com on it. To start their new "one-click" sign-in simply click 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
If you are an individual of Mac computer then Safari should be your web internet browser. Safari is the very best browsing service for Mac OS; Safari is quick, quicker as well as easy to use browser. You can easily access your Yahoo Mail account with it. See, ways to login with Yahoo mail account on Safari web browser. Just open Safari and kind www.yahoomail.com; you will be directed to Yahoo mail sign-in page. To launch their brand-new "one-click" sign-in just click the "Sign in with: Facebook". You are after that fully authorized into Yahoo!
Nonetheless, a recommendation- you still won't have the ability to sign right into a mobile or desktop computer customer utilizing Google OpenID.
I hope this post can aid you. Thanks ...