1 Office Mobile includes mobile versions of Word, Excel, PowerPoint, OneNote, and SharePoint Workspace. Some mobile functionality requires an Internet connection. Office Mobile is not included in Office 2010 applications, suites, or Office Web Apps. There are differences between the features of Office Mobile and the Office 2010 applications.
2 Requires a free Windows Live ID. Web functionality uses Office Web Apps, which require a supported Internet Explorer, Firefox, or Safari browser.