In this tutorial we are going to see the steps required to switch to previous version Yahoo Mail. You can do this by using the settings provided as part of Mail Options.
Step 1: Login to Yahoo Mail account and click Settings icon available at the top right hand corner.
Step 2: Select Mail options from the Settings drop down.
Step 3: In the General Options screen, navigate to Advanced Settings and select radio option with label as Basic
You will be prompted with the following “Refresh Required” message, click Ok to continue.
Step 4: Now click the Save button available at top of the General Options screen.
This should refresh your Yahoo Mail screen and restore it to old Yahoo user interface.
If you want to revert to the new Yahoo Mail interface then click the option with label as Switch to the newest Yahoo Mail (available at the top of the screen).