. Microsoft Exchange Server delivers best-in-class e-mail-based collaboration services that are highly secure thoroughly reliable and easy to access giving information workers better control of their business communications so that enterprises of all sizes can make decisions more efficiently and compete more effectivelyKey Product Info . Exchange Server offers built-in protective technologies to keep your business moving reduce spam and viruses enable confidential communications and help your company to be compliantWith Exchange Server employees get anywhere access to their e-mail voice mail calendars and contacts from a variety of clients and devicesExchange Server enables new levels of operational efficiency through capabilities that optimize hardware and networking investments and features that help make administrators more productive