A new name and new scope (i.e., small- to medium-sized organizations as well as enterprises) for Microsoft Office in the cloud. Check this page and the link below for more details.
Microsoft Corp. today announced Microsoft Office 365, the company’s next generation in cloud productivity that brings together Microsoft Office, SharePoint Online, Exchange Online and Lync Online in an always-up-to-date cloud service. Office 365 makes it easier for millions more organizations to get and use Microsoft’s award-winning business productivity solutions via the cloud. With Office 365, people can work together more easily from anywhere on virtually any device, while collaborating with others inside and outside their organization in a simple and highly secure way. As part of today’s news, Microsoft is also opening a limited beta program for Office 365 in 13 countries and regions.