A quote from their blog site: From Yahoo!'s viewpoint, any kind of signed-in individual engaging with Yahoo! services is a valued customer, whether she validates utilizing a Yahoo!, Facebook, or Google ID.
Sign In Yahoo Mail With Facebook Account
Login to Yahoo Mail account on PC/Desktop computer
First you need a username as well as password; currently open internet internet browser from your computer/desktop. Then open page www.yahoomail.com on it. To initiate their brand-new "one-click" sign-in just click 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 after that Safari need to be your web browser. Safari is the most effective surfing service for Mac OS; Safari fasts, much faster and easy to use internet browser. You can conveniently access your Yahoo Mail account with it. See, how you can login with Yahoo mail account on Safari internet browser. Just open Safari and also type www.yahoomail.com; you will certainly be routed to Yahoo mail sign-in page. To start their brand-new "one-click" sign-in simply click the "Sign in with: Facebook". You are then fully authorized right into Yahoo!
Nonetheless, a word to the wise- you still will not have the ability to authorize into a mobile or desktop customer utilizing Google OpenID.
I hope this write-up can assist you. Thanks ...