Perform the following steps:
Open the folder that you want to copy, then choose File -> Folder -> Copy. Alternatively, right-click on the folder that you want to copy in the folder pane, then choose Copy from the popup menu. A Copy Folder dialog is displayed.
Use the tree in the Copy Folder dialog to select the location where you want to copy the folder.
To create a new folder, click on the New button. A Create New Folder dialog is displayed. For more information, see To Create a New Folder.