Since Exchange Server 2010 SP1 Beta was recently released, there’s also a standalone version of the Help file available to download.
Brief Description
This download contains a standalone version of Microsoft Exchange Server 2010 SP1 Beta Help.
Overview
Use Exchange Server 2010 SP1 Beta Help content to help you plan, deploy and manage your Exchange 2010 SP1 Beta organization.
Note: This Help content is also available online from the Exchange 2010 TechCenter.