To manage the backup files generated for your MS Sql database you need to:

1. Click on the Manage backup files link found in the navigation menu on the left hand side of your database control panel. Then select the database for which you want to manage backup files:

2. Check the information and click on OK:

3. Select the folder you want to manage, and then click on OK:

4. At this point you will see the files you can manage:

With this icon you can delete the backup file while this icon allows you to download and save the   backup on your computer.