Office 365 Manager is described as 'Manage your Office 365 Licenses, Mailboxes and Security. Deprovision users effectively from your Office 365 tenant, before deleting a user account. Quickly edit Group members, Group owners and User properties in bulk using a grid interface'. There are three alternatives to Office 365 Manager for Windows. The best alternative is Kernel Office 365 Backup & Restore. It's not free, so if you're looking for a free alternative, you could try Shoviv Office 365 Backup and Restore.
Meet your Office 365 security ally! Check all permissions from a central console - no more playing hide and seek! Make sure that the right people have the right access, and most importantly, keep sensitive files from curious eyes and unwanted reach.