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The Radicati Group Releases "Microsoft Exchange Server and Outlook Market Analysis, 2009-2013"

PALO ALTO, CA -- 03/16/09 -- The Radicati Group, Inc.'s latest study, "Microsoft Exchange Server and Outlook Market Analysis, 2009-2013," provides an in-depth analysis of the market for Microsoft Exchange Server and Microsoft Outlook, including market share, installed base by version, as well as breakouts by business size, and region.

According to the report, Microsoft Exchange Server will have a total installed base of 241 million on-premises and hosted mailboxes by year-end 2009, and is expected to grow to a total of 347 million by 2013. This represents an average annual growth rate of 11%.

The report provides extensive breakout information for Microsoft Exchange Server penetration by version, business size and region in North America, EMEA, Asia/Pacific, and Rest of World. In addition, it also provides installed base and breakout information for Microsoft Outlook, including Outlook Web Access (OWA), and Hosted Microsoft Exchange Server.

Microsoft's recently released Business Productivity Online Suite (BPOS) is also analyzed, and strengths and weaknesses are discussed for all current Microsoft Messaging and Collaboration products.

To order a copy of the study, or for additional information about our market research programs, please contact Lauren Reardon at (650) 322-8059, or visit our web site at

About The Radicati Group, Inc.

The Radicati Group covers all aspects of email security, email archiving, regulatory compliance, wireless technologies, web services, identity management, instant messaging, unified communications, VoIP, and more. The company provides both quantitative and qualitative information, including detailed market size, installed base and forecast information on a worldwide basis, as well as detailed country breakouts.

The Radicati Group works with corporate organizations to assist them in selecting the right products and technologies to support their business needs, as well as with vendors to define the best strategic direction for their products. We also work with investment firms on a worldwide basis to help them identify and assess new investment opportunities.

The Radicati Group, Inc. is headquartered in Palo Alto, CA, with offices in London, Hong Kong and Melbourne.

Lauren Reardon
The Radicati Group, Inc.
(650) 322-8059