Microsoft Outlook 2010 is an email management tool used by over 500 million people worldwide. The interface was changed in Outlook 2010 to include ribbon tabs and contextual commands to help users work faster. The document demonstrates how to use key Outlook 2010 features like email, calendar, contacts and tasks. It provides guidance on organizing emails with folders and rules, managing the inbox, and accessing Outlook on the web and mobile devices. Shortcuts and additional resources are also included.