In Folders view, do the following:
Create a standard folder
If you want to create a folder within an existing folder, select the existing folder before using this procedure.
Create a hidden folder
If you want to create a hidden folder within an existing folder, select the existing folder before using this procedure.
Note To hide an existing folder, right-click the file in the Folder List, click Rename on the shortcut menu, and then type a name preceded by an underscore.