Now, more than ever, your organization requires cost-effective and flexible communication tools. With Microsoft Exchange Server 2010 you can achieve new levels of reliability and performance with features that simplify your administration, help protect your communications, and delight your users by meeting their demands for greater mobility. Microsoft Exchange Server, the cornerstone of Microsofts Unified Communications solution, is a flexible and reliable messaging platform that can help you lower your messaging costs by 50-80%, increase productivity with anywhere access to business communications, and safeguard your business with protection and compliance capabilities that help you manage risk. MICROSOFT GOVERNMENT OPEN LICENSE Microsoft Government Open License is a software volume licensing program designed to reduce the costs associated with acquiring, upgrading, maintaining, and managing software by providing simple and flexible pricing over a two-year period. This volume licensing option is available to eligible small- and medium-sized government entities, and is ideal for those who need to purchase smaller quantities of licenses and who need a simple and flexible model.