Changing the layout of messages is another way Webmail helps make your email profile customizable.
To change the layout of my messages:
Click on Options near the bottom left corner.
Click on Layout, and under Message List Default Order, select the option that you would like.
In the Column order field select the option that you would like and click on the Move up button on the right until it's at the top.
Click on Save Preferences at the bottom and OK.