An app running in Microsoft Teams

Bring your app into Microsoft Teams

Transform your ideas into a Teams app and unleash your creativity and innovation with our tools and SDKs.

Build a Teams app

Plan your app

Building a successful Teams app is about understanding your use case and finding the right combination of features to meet your users' needs.

Design your app

An effective design highlights your app's unique attributes while fitting naturally with Teams features and contexts.

Build your app

Make your collaborative workspace more productive by bringing key information, common tools, and processes to where people are.

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Microsoft Teams App Camp

November 29, 4:00-5:00 PM PT

Interested in migrating and monetizing your app to Teams but not sure where to start? Join our App Camp event to learn more.

Build apps faster with Teams Toolkit

.NET, JavaScript, and TypeScript developers can use the Teams Toolkit for Visual Studio or Visual Studio Code to create apps for Teams, run and debug apps in the Teams client, set up apps in Teams Developer Portal, and provision and deploy apps to Azure.

Yeoman generator

Build Microsoft Teams applications based on TypeScript and node.js on your terms, in your editor of choice.

Manage your apps with the Developer Portal

Configure, distribute, and manage your Microsoft Teams apps. With the Developer Portal, you can collaborate with colleagues on your app, set up runtime environments, and much more.

Explore SDKs to build your app

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Teams JavaScript SDK

Create experiences in Teams, Office, and Outlook where your app is hosted in an iFrame.

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Microsoft Graph SDKs

Connect the data from Microsoft 365, including Teams and Outlook, by accessing the Microsoft Graph API.

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TeamsFx SDK

Reduce your tasks by using Teams single sign-on and accessing cloud resources with zero configuration.

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Live Share SDK

Transform Teams apps into collaborative mulit-user experiences with minimal investment.

Publish. Certify. Monetize.

Publish your app

Distribute your app directly to the Microsoft 365 app stores where millions of Microsoft 365 users go to discover apps.

Certify your app

Make sure your app meets security, privacy, and data handling standards through the Microsoft 365 App Compliance program.

Monetize your app

Gain customers by including a SaaS offer with your app through the Microsoft Commercial Marketplace.

Join the Microsoft 365 Developer Program

Kickstart your Teams developer journey

Sign up for a free renewable 90-day Microsoft 365 developer subscription that you can use to create your own sandbox and develop solutions independent of your production environment.

Join the Microsoft 365 developer program