Online Collaboration Tools & Microsoft Office Products
While some businesses may need a server to run specific programs (often called Line of Business (LOB) Applications), other businesses simply need to communicate with the outside world.

Microsoft Office 365
Exchange Online and SharePoint Online is a better alternative for small businesses who want greater flexibility in being able to access their email or company documents for a low per user month cost basis without the cost and maintenance of running their own server
Live Meeting and Office Communicator is also available as separate purchases or part of the Online Suite.
Microsoft Small Business Server 2008 is designed for businesses up to 75 users.

Exchange & Sharepoint Online
World Class Email with calendar and free/busy time is now available as a subscription model and to your desktop, any browser and compatible mobile device.
With SharePoint’s document sharing, versioning control and team workspace, you can have greater centralised management and document search on a subscription basis.

Live Meeting/Office Communicator
With Live Meeting, you can reclaim lost travel time and conduct online meetings no matter where you or your invitees might be.
Office Communicator can save you time with text, voice and video communication across the office organization.