D-Link DNS-327L User Manual page 397

Section 4 - Configuration
Under Create New Backup, start creating your new backup folder and
destination.
Enter a Folder name in the field provided. Click Browse to select
Destination path. If you do not have a folder, click the + sign to create a
new folder. Type a new folder name then click OK to continue.
Select the path, on the NAS, where you want the backup to reside.
DNS-327L 392
D-Link ShareCenter User Manual