How to delete ALL BACKUP DATA from Cloud Storage
- Go to "Device" tab

 - Go to "Click HERE to add an online device", and click on it.

 - Now login with your credentials for NOVABackup Cloud Storage account:

 - Now go to Cloud Storage account tab, and click on VIEW :

 - At the bottom you will find the "Delete Data" button. 
This will delete all BACKUP DATA from the Cloud Storage.