A quote from their blog site: From Yahoo!'s point of view, any kind of signed-in individual involving with Yahoo! solutions is a valued user, whether she authenticates making use of a Yahoo!, Facebook, or Google ID.
Sign In To Yahoo Mail Through Facebook
Login to Yahoo Mail account on PC/Desktop computer system
First you need a username and password; now open web browser from your computer/desktop. After that open page www.yahoomail.com on it. To start their brand-new "one-click" sign-in simply click the "Sign in with: Facebook" icon on the Yahoo! login display. That's all you require; to get gain access to of your Yahoo mail account.
Login to Yahoo Mail account on Mac computer
If you are a user of Mac computer system after that Safari should be your internet browser. Safari is the most effective browsing remedy for Mac OS; Safari fasts, much faster as well as easy to use web browser. You can conveniently access your Yahoo Mail account with it. See, how you can login with Yahoo mail account on Safari internet browser. Simply open Safari as well as kind www.yahoomail.com; you will be guided 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 totally authorized right into Yahoo!
Nevertheless, an advice- you still will not have the ability to sign right into a mobile or desktop customer utilizing Google OpenID.
I wish this article can aid you. Thank you ...