Microsoft Exchange Server 2007 is the next version of Microsoft Exchange Server, the industry's leading server for e-mail, calendaring and unified messaging. A key technology in Microsoft's strategy for unified communications, which will put people at the center of communications, Exchange Server 2007 has been designed specifically to meet the challenges and address the messaging needs of today's businesses. Exchange Server 2007 Enterprise Edition is designed for large enterprise corporations, and enables creation of multiple storage groups and databases.