Office 365 is a versatile line of subscription offered by Microsoft as part of the Microsoft Office product line. The brand allows us to access all of Microsoft's programs with a subscription, over a cloud-based software as a service for business environments. Office 365 subscriptions include automatic updates. After a test in 2010, Microsoft launched Office 365 on June 28, 2011. Microsoft includes many features including some of Microsoft's most popular software; Word, PowerPoint, Outlook and Excel. There is also a feature called "team" which allows teachers to share assignments and students to hand them in through this feature. With Outlook (the email service of Office 365) you can share your projects to other users and allow them to work on them at the same time through the cloud. Office 365 had a revenue of $9 billion this past year, and have 30.6 million Office 365 consumer subscribers.