Outlook and Exchange Server Compatibility

Together, Exchange Server 2007 and Microsoft Office Outlook 2007 provide a powerful solution for communication. Exchange Server 2007 offers new capabilities such as unified messaging, efficient meeting scheduling, schedulable Out of Office, and messaging compliance. Outlook 2007 is optimized for new features in Exchange Server 2007, and delivers the premier desktop client experience. Please visit the Feature Comparison page to find what new value can be realized when using Exchange Server 2007 with Outlook 2007.

While Outlook 2007 provides the optimal rich client experience for Exchange Server 2007, additional configurations are supported. See the following table for Outlook and Exchange Server version compatibility.

Key:  Supported   Not Supported

1. Certain features, new in Outlook 2007, cannot be utilized without Exchange Server 2007.

2. Outlook 2007 cannot be run against Exchange Server 5.5.

3. Certain features, new in Exchange Server 2007, are not available in Outlook 2003. Please see the Feature Comparison page for a list.

4. RPC over HTTP, improved Outlook 2003 performance, and Outlook 2003 Safe and Block list sharing are not compatible in these combinations.

5. Certain features, new in Exchange Server 2007, are not available in Outlook 2002/XP. Please see the Feature Comparison page for a list.

6. Exchange Server 2007 was not tested with Outlook 2000. While Outlook 2000 may be compatible with Exchange Server 2007, Outlook 2000 is not supported.

7. Exchange Server 2003 was not tested with Outlook 97/98. While Outlook 97/98 may be compatible with Exchange Server 2003, Outlook 97/98 is not supported.