A quote from their blog: From Yahoo!'s viewpoint, any signed-in individual involving with Yahoo! solutions is a valued user, whether she authenticates utilizing a Yahoo!, Facebook, or Google ID.
Sign In Yahoo Mail Through Facebook
Login to Yahoo Mail account on PC/Desktop computer
First you need a username as well as password; currently open internet browser from your computer/desktop. After that open page www.yahoomail.com on it. To start their new "one-click" sign-in merely click the "Sign in with: Facebook" symbol on the Yahoo! login display. That's all you need; to obtain access of your Yahoo mail account.
Login to Yahoo Mail account on Mac computer
If you are a customer of Mac computer system after that Safari should be your internet browser. Safari is the best surfing option for Mac OS; Safari fasts, quicker and also easy to use internet browser. You can easily access your Yahoo Mail account with it. See, how to login with Yahoo mail account on Safari web browser. Merely open Safari as well as type www.yahoomail.com; you will certainly be routed to Yahoo mail sign-in web page. To initiate their new "one-click" sign-in just click on the "Sign in with: Facebook". You are after that completely signed into Yahoo!
Nevertheless, a suggestion- you still won't be able to sign right into a mobile or desktop computer customer making use of Google OpenID.
I hope this write-up can aid you. Thank you ...