A quote from their blog: From Yahoo!'s perspective, any signed-in user engaging with Yahoo! solutions is a valued user, whether she confirms making use of a Yahoo!, Facebook, or Google ID.
Yahoo Mail Login With Facebook
Login to Yahoo Mail account on PC/Desktop computer
First you require a username and password; currently open web internet browser from your computer/desktop. After that open web page www.yahoomail.com on it. To start their new "one-click" sign-in simply click on the "Sign in with: Facebook" symbol on the Yahoo! login display. That's all you need; to get access of your Yahoo mail account.
Login to Yahoo Mail account on Mac computer
If you are an individual of Mac computer then Safari must be your web internet browser. Safari is the most effective browsing remedy for Mac OS; Safari is quick, much faster and easy to use internet browser. You can conveniently access your Yahoo Mail account with it. See, how to login with Yahoo mail account on Safari internet browser. Simply open Safari and kind www.yahoomail.com; you will certainly be routed to Yahoo mail sign-in page. To initiate their brand-new "one-click" sign-in merely click on the "Sign in with: Facebook". You are then totally signed into Yahoo!
However, an advice- you still will not be able to authorize right into a mobile or desktop customer utilizing Google OpenID.
I wish this write-up could assist you. Thanks ...