Many users already know that Yahoo ! currently uses two graphics interfaces for YahooMail .The Yahoo Mail Classic and the new version of ” All-New Mail „. If you have decided to delete all messages from Yahoo Mail Inbox, you must go from Yahoo Mail Classic to All-New Mail version (you can always return to original version).
1. In Yahoo Mail Classic somewhere on the right is a link ” Options „. Click on it and then on the menu that opens click on ” Switch to All-New Mail „.
2. Inbox > click on Actions and then on the menu that opens click on “Select All Emails“.