Select the data as described below, and then specify other settings of the protection plan as appropriate.
To select SharePoint Online data
To back up a subsite or a top-level site list/library, specify its display name in the following format: /display name/**
To back up a subsite list/library, specify its display name in the following format: /subsite display name/list display name/**
The display names of subsites, lists, and libraries are shown on the Site contents page of a SharePoint site or subsite.
The Browse link is available only when creating a protection plan for a single site.
Item exclusions override the item selection; i.e. if you specify the same subsite in both fields, this subsite will be skipped during a backup.