For this example, we will delete the “University of Wisconsin-Documents” library from our File explorer.

The File Explorer is found by clicking the Explorer  icon near the lower left-hand corner of the screen.

Let's Get Started

1. In the lower Right-hand corner of the screen, click the One Drive icon.
   
   
   
   
2. At the top right of the OneDrive sync window, click the settings icon. 
   
   
   
   
   
3. Select, Settings from the menu.
   
   
   
   
   
4. The Microsoft OneDrive settings window will appear.  Select Account in the left navigation.In the list of synced SharePoint sites, locate the synced library you wish to remove. Click the Stop sync for that library.
   
   
   
   
   
5. Confirm that you want to stop syncing that library.
   
   
   
   
   

6. You will no longer see the library under the synced locations list on the account tab.

7. You WILL still see this in the File Explorer window.  To remove it from the File Explorer, RIGHT-click on the folder to be removed.

8. Select Delete from the drop down menu.
   
   
   
   

9. Now your library is removed from the File Explorer window.