If your enterprise has more than 5,000 employees, Microsoft can now provide the core business productivity capabilities of Microsoft Exchange Server, Microsoft Office SharePoint Server, and Microsoft Office Communications Server as a hosted service with a dedicated environment.
The business productivity infrastructure offering from Microsoft includes:
Microsoft Exchange Online empowers your employees with unmatched access to e-mail, voice mail, calendar, and contacts from virtually anywhere, at anytime—while helping protect your network from malware and spam and helping maintain compliance, at a lower cost.
Microsoft Office SharePoint Online provides your employees with a single, integrated location to efficiently collaborate with team members, find organizational resources, search for experts and corporate information, manage content and workflow, and leverage business insight to make better-informed decisions.
Microsoft Office Communications Online helps your employees be more productive by enabling them to communicate easily with others in different locations or time zones using a range of different communication options, including chat, voice, and video.