Follow the steps below to create a backup set in the Web Admin Console that contains all files (or a subset of them) on a specific drive (e.g. C: drive):

1. Log in to your account at https://secure.mozy.com.
2. In the menu on the left hand side, click on Client Configuration under the Configuration menu.
3. Click on the existing backup set you have created. If no backup set exists, create a new one and assign it a name.
4. Go to the Windows Backup Sets menu tab and click on Create Backup Set.

            

5. In the Where to Search field, set this to "include" and enter the full path to the directory, including the drive letter.
6. Once entered, click Done. Note: If you do not add Rules, all files in the directory will be backed up.

7. If you have allowed your users to make manual changes to the backup sets, you might want to lock the backup set. This makes sure to override any previous client settings.

8. Once you are ready, click on the Save Changes button to apply all the modifications At the next  backup, the backup set will be added and the files will get backed up as shown below.