Opening the Current Drawer in a New Main Window

  Choose Open In New Window from the Drawer pop-up
  menu to open a new main window.  The drawer on which
  MB3 is positioned is opened in the new main window.

  You can perform all Mail tasks in the new main window,
  such as opening other drawers and folders and reading
  messages.

  Additional topics:

  *   Drawer Pop-Up Menu

  *   Overview of Mail