Add-in Express for Microsoft Office and VSTO

Add-in Express for VSTO is an extension of Microsoft Visual Studio Tools for Office designed for creating application-level add-ins for Microsoft Outlook, Microsoft Excel, Word, PowerPoint, InfoPath, and Visio. The main destination of Add-in Express is to provide you, a VSTO developer, with a solution that allows you to create powerful Microsoft Office plug-ins with far less coding than you have to do now.