A rich hosted Exchange environment for every user without having to manage a server.
http://www.microsoft.com/exchange/en-us/exchange-online-hosted-email.aspx
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Get access to data on 19,702,582 websites that are Microsoft Exchange Online Customers. We know of 15,170,833 live websites using Microsoft Exchange Online and an additional 4,531,749 sites that used Microsoft Exchange Online historically and 2,560,314 websites in the United States.
Microsoft Exchange Online websites that are also using other technologies.
Get a list of 19,702,582 websites using Microsoft Exchange Online which includes location information, hosting data, contact details, 15,170,833 currently live websites and an additional 2,797,135 domains that redirect to sites in this list. 4,531,749 sites that used this technology previouslyand 2,560,314 websites in the United States currently using Microsoft Exchange Online.
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