For perhaps the first time in its history, Microsoft made the case on Monday that businesses shouldn't run its software. Instead, the software maker argued that corporations should let Microsoft run the software for them.
During the past several years, Microsoft has been testing out the idea that it can host and run business software cheaper and more effectively than individual enterprises can do on their own. The effort started in 2005 with a single customer — battery maker Energizer — which had Microsoft essentially handle all of its PC desktops.
Over time, Microsoft narrowed the service to an option in which it hosts Exchange and SharePoint, runs the software in its datacentre, and charges customers on a monthly basis. Microsoft officially launched the products, known as Microsoft Online, at a customer event in San Francisco.
"We can help you save money," Microsoft Business Division president Stephen Elop told the crowd, saying Microsoft estimates that companies can save at least 10 percent by letting Microsoft run their messaging and collaboration software for them.
One of the early customers is video retailer BlockBuster, which has been using Exchange Online for about six months. Blockbuster chief information offer Keith Morrow said in an interview that Microsoft's online services came at a good time for the company, which was on a several-generations-old version of Lotus Notes.
Morrow said the video-rental company needed to make a change of some kind, and the option to move to Exchange without having to bring that skill set in-house was a key selling point, as was the ability to offer better mobile options, including Outlook Web Access and iPhone support.
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Another Notes switcher in the crowd was Eddie Bauer, which has been a Microsoft Online customer for about five weeks. Chief information officer Rich Mozack said the clothing retailer wanted to move off Notes but couldn't make the numbers work to run Exchange on its own.
"We just couldn't justify the up-front investment," Mozack said.
Microsoft's Ron Markezich said about two-thirds of early customers are moving from Notes to Exchange. But even as Microsoft continues to target those moving from Lotus Notes, the company faces the threat of its own Exchange customers moving to other hosted options, including Google Apps.
Just last week, Serena Software said it was switching to Google from Exchange in a move it said would save it $750,000 (£500,000) a year, according to several reports.
At the event, Elop made Microsoft's familiar case that, while the cloud is great, customers are better served by an option that allows software to run on customers' own machines as well as over the internet.
Elop said Microsoft is adding thousands of servers to its datacentres every month. Although Microsoft Online is initially aimed at Exchange and SharePoint, the goal is to offer a hosted option for all of Microsoft's server software.
"We expect all of it be available in this way in the near future," Elop said.
The software maker said last year that it would offer the hosted option for large businesses, later expanding the offer to businesses of all sizes. At last month's Professional Developer Conference in Los Angeles, Microsoft also confirmed that it would offer web-based versions of its Office applications, including Word, Excel and PowerPoint.
While many of those at Monday's event were the company's early customers and partners, not everyone at the event was ready to sign off. CNET News.com's Ina Fried spoke with a municipality that was highly interested in Microsoft's product, particularly as it plans to move from GroupWise to Exchange. Still, with a dearth of other governments to point to, the chief information officer said he still faced challenges in getting the city's upper management and government to sign off on the deal.
