About Office Add-ins

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.

All Office Add-ins are built upon the Office Add-ins platform and share a common framework through which certain capabilities can be implemented. Explore the following articles for information that's relevant to building any type of Office Add-in.


Learn about specific types of add-ins

Explore the following sections to learn about building an add-in for Excel, OneNote, Outlook, PowerPoint, Project, or Word.

New to building Office Add-ins? Complete a quick start to build your first add-in in under 5 minutes and explore the Office JavaScript APIs with Script Lab!


Resources

Use the following resources to explore the APIs, ask questions, report issues, or request features related to the Office Add-ins platform or JavaScript API. For information about additional resources, see Office Add-ins additional resources.