Q1: What are Microsoft Office Web Apps?

Microsoft Office Web Apps are online companions to Microsoft Word, Excel, PowerPoint, and OneNote, enabling people to access and do light editing or sharing of Office documents from virtually anywhere.

Q2: Who can use and have access to Office Web Apps?

Business customers licensed for Microsoft Office 2010 through a Volume Licensing program can run Office Web Apps on-premises on a server running Microsoft SharePoint Foundation 2010 or Microsoft SharePoint Server 2010. For consumers, Office Web Apps are available on Windows Live as a free, ad-supported service.

Q3: Where does my company install and access Office Web Apps?

A company installs Office Web Apps on their on-premise servers running Microsoft SharePoint Foundation 2010 or Microsoft SharePoint Server 2010.

Q4: What gets installed on my on-premise SharePoint Servers?

Installing Office Web Apps on your SharePoint Foundation 2010 or Microsoft SharePoint Server 2010 adds the Word Viewing Service Application, Excel Calculation Service, and PowerPoint Service Application to the list of available SharePoint shared services. Additional SharePoint services are not required to edit in Word or for OneNote files. Installation also provides a series of web pages and handlers, each used by the Word, Excel, PowerPoint and OneNote Web apps.