Microsoft Exchange Server Standard CAL provides a feature-rich messaging environment for core users, including rich-client email, calendaring, mobile device access, and anti-spam functionality. A rich Outlook-like experience from any Internet connected computer with a supported browser provides encrypted access to the inbox, powerful search, and the ability to view different types of attachments. Exchange Server ActiveSync technology delivers an improved Outlook e-mail and calendaring experience on mobile devices, while offering enhanced device and security policy control. Organization-wide policy management enables easier and faster auditing, cross-mailbox search, mail flow rules for enforcing encryption and rights management, and routing policies. Built-in defenses against spam and phishing e-mail as well as new antivirus filtering and scanning capabilities provide comprehensive protection. MICROSOFT OPEN LICENSE BUSINESS Microsoft Open License is a software volume licensing program designed for corporate, government, charity, and academic customers who order as few as five licenses. After the initial order, customers can benefit from volume pricing for all licenses for the remainder of the term of their Open License authorization number. Open License Business offers savings on estimated retail prices by placing an initial order for five or more licenses or one server processor license. With Open License Business, customers can combine any set of Microsoft products to qualify for the five-license minimum. SOFTWARE ASSURANCE Microsoft's Software Assurance gives you automatic access to new technology and provides productivity benefits, support, tools, and training to help deploy and use software efficiently. With Software Assurance, you receive access to new versions of licensed software released during the term of your agreement to deploy at your own pace. New Version Rights simplifies the procurement process and shortens the business process cycle, allowing you to reduce the costs associated with acquiring new version releases and immediately take advantage of the latest technology. Software Assurance offers greater flexibility in managing technology expenditures by allowing you to spread payments annually. This allows you to reduce initial costs and forecast annual software budget requirements up to three years in advance.