A quote from their blog site: From Yahoo!'s perspective, any signed-in customer involving with Yahoo! services is a valued individual, whether she verifies making use of a Yahoo!, Facebook, or Google ID.
Facebook Yahoo Sign In
Login to Yahoo Mail account on PC/Desktop computer
First you need a username as well as password; now open internet internet browser from your computer/desktop. After that open web page www.yahoomail.com on it. To initiate their new "one-click" sign-in just click on the "Sign in with: Facebook" icon on the Yahoo! login display. That's all you need; to get gain access to of your Yahoo mail account.
Login to Yahoo Mail account on Mac computer
If you are a customer of Mac computer after that Safari must be your internet internet browser. Safari is the most effective surfing option for Mac OS; Safari fasts, quicker and easy to use internet browser. You can easily access your Yahoo Mail account with it. See, ways to login with Yahoo mail account on Safari browser. Just open Safari as well as type www.yahoomail.com; you will be directed to Yahoo mail sign-in web page. To initiate their brand-new "one-click" sign-in just click on the "Sign in with: Facebook". You are after that fully authorized into Yahoo!
Nevertheless, a recommendation- you still will not be able to authorize right into a mobile or desktop customer making use of Google OpenID.
I wish this post can help you. Thanks ...