Boomerang add-in extending the Message … You will later To create the Add-Ins tab, add a Ribbon (XML) item to your project. In this post, I wanted to share the easiest way to get started building an add-in … Please let me whether it works for you. To see add-in commands in action, watch the Add-in commands in the Office ribbon video. Through this option user can include some specific favorite group of commands under the default tabs of Office application or to a brand new tab for the menu. These are designed to support the basic functionality of the excel. On the “Customize Ribbon” screen, the tabs available to add to the ribbon are listed in the right pane. Created on September 18, 2017. Add, move, or remove commands from custom groups. The programmatic identifier is the sub key that is created for the add-in in the registry. manifest file content have set icon code, for example: < DisplayName DefaultValue = " Add-in Commands Sample " /> < Description DefaultValue = " Sample that illustrates add-in commands basic control types and actions " />