http://blogs.office.com/b/microsoft_office_365_blog/archive/2012/05/02/extend-office-web-office-365-.aspxMicrosoft Office Web Apps, as part of Office 365, provide a familiar Office experience whether you're working from a mobile device, a public computer or at home. Through a web browser, the Web Apps allow you to create, view and edit Word, Excel, PowerPointen-USTelligent Community 1.5.134.15456 (Build: 5.5.134.15456)