Exchange 2013 On-Premises and Exchange Online Hybrid Compatibility
We've had some questions come through to the Exchange Server and Office 365 teams regarding which versions of Exchange Online can be configured to work in a hybrid environment (where you have some mailboxes online and some in the cloud) with Exchange Server on premises. For example, does Exchange Server 2013 on premises work with the currently available version of Exchange Online? See the following table:
(See The New Exchange Reaches RTM! for more information regarding the new Exchange Server.)
On-premises version | Cloud tenant version | Status |
Exchange 2010 SP1 | Current | Supported |
Exchange 2010 SP2 | Current | Supported |
Exchange 2010 SP3 | Current | Supported |
Exchange Server 2013 | Current | Not supported |
Exchange 2010 SP1 | Forthcoming | Not supported |
Exchange 2010 SP2 | Forthcoming | Not supported |
Exchange 2010 SP3 | Forthcoming | Supported |
Exchange 2013 | Forthcoming | Supported |