We already explored how you can get started with Information Rights Management (IRM) in PowerPoint 2010 by first signing up for the Windows Rights Management (WRM) service. This service implements Microsoft’s access controls for documents across Office 2010 applications such as PowerPoint, Word, Excel, etc. Once you have signed up for WRM, you can set permissions for all presentations that you need to share as long as you and all other recipients for your files fulfil these two requirements: All users have a Windows Live ID, and all users have signed up for WRM using their Windows Live IDs.
Learn how to to use Windows Rights Management in PowerPoint 2010 for Windows.

