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 19,051,064 websites Microsoft Exchange Online Customers. We know of 15,228,916 live websites using Microsoft Exchange Online and an additional 3,822,148 sites that used Microsoft Exchange Online historically and 2,580,071 websites in the United States.
Microsoft Exchange Online websites that are also using other technologies.
Get a list of 19,051,064 websites using Microsoft Exchange Online which includes location information, hosting data, contact details, 15,228,916 currently live websites and an additional 2,780,350 domains that redirect to sites in this list. 3,822,148 sites that used this technology previouslyand 2,580,071 websites in the United States currently using Microsoft Exchange Online.
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