Office Add-ins documentation

Use the Office Add-ins platform to build solutions that extend Office applications and interact with content in Office documents. With Office Add-ins, you can use familiar web technologies such as HTML, CSS, and JavaScript to build a solution that can run in Office across multiple platforms, including on Windows, Mac, iPad, and in a web browser.

Get started

New to building Office Add-ins? Use a quick start to quickly get up and running, complete a tutorial to learn more about the capabilities of an add-in, and explore Office JavaScript APIs with Script Lab.

Learn about Office Add-ins


Note: For information about COM or VSTO add-ins, see the Office client development documentation.