Create an subclient to specify the content to back up.
From the navigation pane, click Protect > File Servers.
The File servers page appears.
Click the file server.
The file server details page appears.
Under Subclients, click Add subclient.
The Add subclient page appears.
Enter the following information:
Name: Type a name for the subclient.
Backup plan: Select the backup plan to use for the subclient, and then specify which content you want to back up.