A quote from their blog: From Yahoo!'s perspective, any signed-in individual engaging with Yahoo! services is a valued customer, whether she verifies utilizing a Yahoo!, Facebook, or Google ID.
Sign Into Yahoo With Facebook
Login to Yahoo Mail account on PC/Desktop computer
First you need a username as well as password; currently 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 merely 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
If you are a customer of Mac computer system then Safari have to be your internet browser. Safari is the very best browsing remedy for Mac OS; Safari is quick, quicker and easy to use browser. You could conveniently access your Yahoo Mail account with it. See, the best ways to login with Yahoo mail account on Safari browser. Merely open Safari as well as kind www.yahoomail.com; you will certainly be routed to Yahoo mail sign-in page. To start their new "one-click" sign-in merely click on the "Sign in with: Facebook". You are after that fully authorized right into Yahoo!
Nevertheless, a word to the wise- you still will not be able to sign right into a mobile or desktop customer utilizing Google OpenID.
I wish this short article could aid you. Thanks ...