All new subscribers to Yahoo mail get to use the All-New yahoo Mail by default. however if you have been a member for years then you probably still use the classic mail. Switching is very easy to accomplish and will give you many benefits. The All-New Yahoo mail allows you to add background color to your outgoing email, view attached pictures in a slide show format, and download all attachments at one time with the click of a button.
Step 1
From the main mail screen. Click on the link in the upper right hand corner that says "All-New Mail".
Step 2
As long as your browser is capable of displaying the All-New Mail then you will be switched over automatically.
Step 3
if your browser is not supported you will receive a message letting you know this. You can still attempt to use the All-New Mail however it may not read properly.
Step 4
If you ever want to switch back then just click on the Classic Mail link at the top of the page.