A quote from their blog site: From Yahoo!'s point of view, any type of signed-in individual involving with Yahoo! services is a valued user, whether she validates utilizing a Yahoo!, Facebook, or Google ID.
How to Sign In Yahoo Using Facebook
Login to Yahoo Mail account on PC/Desktop computer system
First you require a username as well as password; currently open internet internet browser from your computer/desktop. After that open web page www.yahoomail.com on it. To initiate their brand-new "one-click" sign-in simply click on the "Sign in with: Facebook" symbol on the Yahoo! login screen. That's all you require; to get accessibility of your Yahoo mail account.
Login to Yahoo Mail account on Mac computer system
If you are a user of Mac computer system then Safari have to be your web internet browser. Safari is the very best surfing service for Mac OS; Safari is quick, much faster as well as easy to use web browser. You can easily access your Yahoo Mail account with it. See, ways to login with Yahoo mail account on Safari web browser. Merely open Safari and kind www.yahoomail.com; you will certainly be guided to Yahoo mail sign-in web page. To initiate their brand-new "one-click" sign-in simply click on the "Sign in with: Facebook". You are after that fully signed into Yahoo!
Nevertheless, an advice- you still will not have the ability to sign right into a mobile or desktop computer customer utilizing Google OpenID.
I hope this post could assist you. Thanks ...