Open the Backup option by double-clicking the Backup button and then click the Summary tab.
Launch Norton 360 on your computer and wait until the dashboard loads.
Here are the guidelines to delete the Norton 360 backup files on your computer. In these situations, the user needs to delete the Norton 360 backup files. Sometimes, the backups created by the Norton 360 user take up a lot of storage space on the computer preventing new applications from being installed and the installed applications from working correctly. Browse for the backup files on the computer that need to be deleted and then click Purge Now.
Click the File Actions button when on the My Devices tab and choose Purge Files.
Now, go to the web address on your computer’s web browser and then enter your Norton credentials to log into it.
Wait until the backup set is deleted completely.
Click the Delete backup set or Delete backup set & files radio button, and then click Yes.
Go to the ‘Things You Can Do’ section on the right-hand side of the screen and click ’Delete backup set.’.
Click the Backup Set Name drop-down button and select the appropriate backup set from the list.
Navigate to the Summary tab and click it.
Double-click the Backup icon on the bottom and then choose Backup Sets.
Launch the Norton product on your computer and view the dashboard icons.
Here are the guidelines to delete Norton Antivirus backup files on local storage devices such as hard disks, USB drives, and so on. How to delete Norton Antivirus backup files?