What Are Office Business Applications?

When talking about developing for Office, you often hear about Office Business Applications (also known as OBAs). An OBA is basically a custom add-in for Microsoft Outlook or Microsoft Excel that enables adding form regions or components to the host application where you can add business features. (For example, you might want to add functionalities for scheduling appointments with your customers or features strictly related to your type of job.) Office Business Applications are beyond of the scope of this chapter; you can visit the dedicated MSDN website at http://msdn.microsoft.com/en-us/office/aa905528.aspx.