In November and December 2011, Exchange content made its debut on the Learn Open Specifications and Interoperability page in the Open Specifications Developer Center:

The updates include nine new Microsoft Exchange Learning Modules:

While you’re on the Learn tab exploring the new Exchange learning modules, don’t miss the Open Specifications Interactive Pivot, which also includes Exchange open specifications documents. We’re very excited about the Pivot, which makes it easy to find the open specifications documents you need in a visual, intuitive way. The Pivot uses Silverlight Deep zoom technology, which lets you visually search and filter the open specifications documents. Once you use it, you’ll see why we’re excited.