Copy a Folder
Open up the parent folder that contains the folder you would like to copy by clicking on that folder in the left hand file tree.
Once inside the parent folder, select the folder you would like to copy by checking the appropriate box on the menu and then click Copy.
Select a new parent folder in which you want the copied folder to move to by clicking on that folder in the file tree on the right side of the page. If you want to change the name of the copied folder, double click the folder name in the red box and the window will turn white. Change the name of the folder, click Save and then click Submit.
Copying a folder will also copy the contents of that folder. Not specifying a new folder will place the copied folder in the same directory from which it was copied.