Developer roadmap for Exchange is a new section from MSDN, where you can learn about the development technologies that are available in different versions of Exchange and the new features that are introduced in Exchange Server 2013 Preview.
Applies to: Exchange Server 2003 | Exchange Server 2007 | Exchange Server 2010 | Exchange Server 2013 Preview | Exchange Online Preview | Exchange Web Services (EWS) Managed API
Welcome to the developer roadmap for Exchange. This roadmap provides information about the development technologies that are available for use with Exchange Server 2013 Preview and earlier versions of Exchange. This roadmap is designed to help you find the content you're looking for, and to help you choose the development technology that is right for you.
If you're new to Exchange, start by reading the Exchange development technologies article to learn about the technologies that are available for each version of Exchange. To help you decide which technology to use, see the Select the right Exchange development technology section and review the evaluation criteria for the technologies that are available.
If you are a more experienced Exchange developer, you might want to learn about what's new in Exchange 2013 Preview. For an overview of the new features that are available, see What’s new in Exchange 2013 Preview development later in this article. To help you decide what technology to use, see the Development technologies for Exchange 2013 section, which provides the evaluation criteria for the current development technologies. If your application currently uses deprecated technologies and you want to update it to be compatible with the latest version of Exchange, see Migrate from earlier technologies to Exchange 2013.
Last, but not least, the Migrate to mail apps for Outlook Web App customization article describes how you can customize the web client application that ships with Exchange 2013 Preview to better fit your needs.