See how to create an Outlook plugin in VB.NET or C#. Add a custom ribbon tab and command bars, advanced Outlook view and form regions. More at
This sample Outlook addin was developed in VB.NET with Visual Studio 2008 and Add-in Express for Microsoft Office and .net that allows creating plugins for Outlook 2013, 2010, 2007 and lower.
For more information about creating Outlook plugins in C# and VB.NET with advanced regions, please visit: