Using the Display Drawers Button (Paned Style)

  If you are using a Paned style main window, clicking on the
  Display Drawers button displays a list of your mail drawers.

  Double clicking on a drawer name opens the drawer and
  displays a list of the folders in that drawer.

  For information about Paned style main windows, double
  click on the additional topic listed below.

  Additional topics:

  *   Options Menu