Hello Exchange Developers! We've just released updated Software Development Kits for Exchange 2010 SP1. If you develop applications for Exchange Server, grab these SDKs from the Download Center.

1. Microsoft Exchange Server 2010 SP1 Web Services SDK October 2010

   This release of the Exchange 2010 Service Pack 1 (SP1) Web Services Software Development Kit (SDK) provides new and updated documentation and samples for building applications that use Web services in Exchange 2010 SP1 . Use this SDK to help you develop collaborative Web services-based enterprise applications. Download

2. Microsoft Exchange Server 2010 SP1 Backup and Restore SDK October 2010

   This release of the Exchange Server 2010 Service Pack 1 (SP1) Backup and Restore SDK provides information about how to create applications that back up, restore, and recover Exchange 2010 databases. Download

3. Microsoft Exchange Server 2010 SP1 Transport Agents SDK October 2010

   This release of the Exchange 2010 Service Pack 1 (SP1) Transport Agents Software Development Kit (SDK) provides new and updated documentation and samples for building applications that use Microsoft Exchange transport agents. Use this SDK to help you develop collaborative enterprise applications for Exchange transport. Download