HP BB118BV - StorageWorks Data Protector Express Package User Manual page 85

You can select or deselect a file for restoring by checking or clearing the selection box next to the file.
You can also select the folder that contains the file and not the file itself. Notice that when you mark a
container, such as a folder or volume, all of its contents, including all of the folders and containers in it,
are also marked.