In order for a folder to show up in a navigation you must ensure that the folder has a "Folder Homepage" set. This is normally the index page. To make this the folder homepage:
- Right click and select "Make Folder Homepage" (approvers/admin only)
To show pages in the navigation:
- Click on the parent folder and select manage menu
- Tick include in menu
- Save selection
OR
- In edit mode of your page, select the properties tab
- Tick include in menu
- Save
You'll need to do this at each folder level/page.