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:

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

Solutions for all Office versions and applications

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 2010, and for all Office applications, from Outlook to InfoPath.