When a user deletes any content, the file is not completely removed from the system. At
            first, it is placed in the Trashcan. 
        On the Trashcan page, you’ll see a list of the content that has been deleted by users. The content items are listed in date order. If there are no deleted content items, you’ll see a message saying: No items exist.
- Open the Admin Console, and then click Trashcan.
 - 
                On the Trashcan page, select the content item that you
                    wish to remove from the Trashcan.
                
- To remove an item from the Trashcan, click Delete next to the name.
 - To remove all items from the Trashcan, click Empty.
 
 - To return the item back to the original place in the Document Library, click Recover.