Cloud back up - checking content

I believe that I have backed up a lot of stuff that I also have in other storage, external hard drive, etc; how to I check what is backed up in the cloud? I can't find an answer in FAQs, so, please help.

Have you tried -> https://my.norton.com/extspa/backup/home

Have you tried -> 

VIEW BACKUP FILES ON THE NORTON BACKUP DRIVE

  1. In Windows Explorer, click Norton Backup Drive.

  2. Select the backup destination and navigate to the backup set that contains the files that you backed up.

https://support.norton.com/sp/en/us/home/current/solutions/v19828933