Working with backup sets : Cloud (Microsoft Office 365) backup sets (Windows) : Creating a Microsoft Office 365 backup set
 
Creating a Microsoft Office 365 backup set
The following sections describe how to create a Microsoft Office 365 backup set.
To back up Microsoft Exchange mailboxes, the user must have the Microsoft Office 365 Exchange Online license or a Microsoft Office 365 license that includes equivalent permissions.
To back up Microsoft SharePoint site collections, the user must have the Microsoft Office 365 SharePoint Online license or a Microsoft Office 365 license that includes equivalent permissions and be a global administrator.