Hello dutchman48 -
The folders are specific to the listings pages, so if you add an item from your Saved Listings to a folder, it would only be visible to you on the Saved Listings page of your account when you view the folder. Saved Listings should show for you when you use the Folders option form the Listings menu.
For your active listings, please see the active listings page and then sort by the folder filter that is near the top of the page to see the items in a specific folder.
Apologies for any confusion this may have caused.
- Craig