1. Go to your site's root folder
   
2. Hover over the first file you want to check and go to the File drop-down menu
   
3. Choose "Move to Recycle Bin"
   
4. A dialog box will then appear asking if you are sure you want to move it to the Recycle Bin
   
1. If the file is orphaned, no other files will be listed in this dialog box
   
2. If the file is not orphaned, a list of pages that link to the file will be listed
   
5. If the file is orphaned and you are not using it for a specific reason that requires it to be orphaned on purpose, then you are free to click "Move to Recycle Bin"