View All Shared Files/Folders In Dropbox

From your PC click on Start, then in the search type Dropbox, then click on Dropbox to run (if its not already running).

From the system tray right click on the Dropbox icon, then left click on the Globe"Open Dropbox.com"

This will open : https://www.dropbox.com/home

Now click on "Links" on the left side; these are all your shared files/folders (Anyone with link)

From here you can see if there are any files and folders that shouldn't be there.