Switch Between All-New Yahoo! Mail and Yahoo! Mail Classic

You can switch between the All-New Yahoo! Mail and Yahoo! Mail Classic as many times as you want.

To switch from the All-New Yahoo! Mail to Yahoo! Mail Classic, in the upper-right portion of the All-New Yahoo! Mail screen, from the Options menu, select Switch to Yahoo! Mail Classic.

A dialog box might appear asking for feedback. If it does, you can follow any links or check any boxes in the dialog box. To continue returning to Yahoo! Mail Classic, click Switch to Yahoo! Mail Classic.

Switching back to the All-New Yahoo! Mail

[advt]To switch from Yahoo! Mail Classic to the All-New Yahoo! Mail, do one of the following:

• In the top-left portion of the Yahoo! Mail Classic screen, click All New Mail.
• In the upper-right portion of the Yahoo! Mail Classic screen, click Try the new Yahoo! Mail.

You can now read your email and take advantage of the new features of the All-New Yahoo! Mail. Check out the new tools in the Application menu at the lower left of the page. [source]