Add-in Express what is it?

Add-in Express for Microsoft Office and .net is a framework for building and delivering enterprise-grade Office extensions, including:

  • Application-level plug-ins for Microsoft Office - COM add-ins
  • Excel real-time data servers
  • Excel user-defined function add-ins (UDFs, Automation add-ins)
  • Excel XLL add-ins
  • Smart tags

All Office versions and applications - C#, VB.NET, C++/CLI

Written in C#, Add-in Express delivers you a set of Office-specific solution templates, deployment scenarios, wizards, visual designers, components and classes that directly support application-level extensions for all available Office versions, starting from Office 2000 to Office 2016, and for all Office applications, from Outlook to InfoPath.

Office 2016 & Visual Studio 2015 and 2017 fully supported

Add-in Express integrates perfectly with the latest versions of Visual Studio 2015 and 2017, and supports all main applications of the Office 2016 suite as well as previous versions of Office 2000 - 2013 and VS 2010 - 2013. So, now you have a powerful framework to quickly create world-class extensions for all Microsoft Office versions and applications from prototype to final release, all with a single code base!