Click Create Space Folder Command on the vertical toolbar.
You can also right-click a folder on the Space tab of the Workspace Explorer, and then select Create Compartment Folder.
On the ribbon, type a name for the new space folder.
Specify a parent for the new space folder in the Parent list.
You can select More in the drop-down list to display the Select System Folder Dialog, which displays the full hierarchy.
You can click Properties on the ribbon to modify the folder properties. See Space Folder Properties Dialog.