Working with backup sets : Cloud (Microsoft Office 365) backup sets (Windows) : Restoring a Microsoft Office 365 backup set
 
Restoring a Microsoft Office 365 backup set
The following provides instructions on how to restore Microsoft Office 365 backup set data. Steps that are similar to those for File system restores will only be briefly mentioned.
NOTE:  Before restoring a Microsoft Office 365 backup set, ensure that you have addressed the considerations described in the following sections and in the Knowledge Base article in “Backup from the Cloud (Microsoft Office 365)”.