Build Office Add-ins with Microsoft Graph

This tutorial teaches you how to build an Office Add-in for Excel that uses the Microsoft Graph API to retrieve calendar information for a user.


If you prefer to just download the completed tutorial, you can download or clone the GitHub repository.


Before you start this demo, you should have Node.js and Yarn installed on your development machine. If you do not have Node.js or Yarn, visit the previous link for download options.


Windows users may need to install Python and Visual Studio Build Tools to support NPM modules that need to be compiled from C/C++. The Node.js installer on Windows gives an option to automatically install these tools. Alternatively, you can follow instructions at

You should also have either a personal Microsoft account with a mailbox on, or a Microsoft work or school account. If you don't have a Microsoft account, there are a couple of options to get a free account:


This tutorial was written with Node version 14.15.0 and Yarn version 1.22.0. The steps in this guide may work with other versions, but that has not been tested.


Please provide any feedback on this tutorial in the GitHub repository.