Get started with Excel add-ins

You can create an Excel add-in using familiar web technologies such as HTML, CSS, and JavaScript.

Create your first Excel add-in

To get started, complete one of the walkthroughs in this section to create an Excel add-in using React, Angular, or jQuery. Each walkthough provides step-by-step guidance for creating a simple task pane add-in that uses the Excel JavaScript API to interact with a worksheet.

Explore snippets with Script Lab

Script Lab is a tool that enables you to create, run, and share your Office Add-in code directly from Office applications such as Excel, Word, and PowerPoint. You can install Script Lab for free from AppSource and launch it in Excel to explore its collection of built-in samples that interact with data in the workbook. Then, use it to write and execute your own Excel JavaScript API code that interacts with your spreadsheet. For more information, see Script Lab, a Microsoft Garage project.


Script Lab is an experimental tool that you can use to learn about developing Office Add-ins in Excel, Word, and PowerPoint. It was developed as a Microsoft Garage project and is not an official Microsoft product. Microsoft makes no warranties, express or implied, with respect to Script Lab.