Reimagine your collaborative apps with Microsoft Teams

Build your first app Get your free developer's guide

Learn about our Build announcements

Harness the power of Al: Extend Copilot and beyond

Extend your app by integrating with Microsoft 365 Copilot. And, discover the new Teams Al library to build intelligent conversational apps.

Create real-time collaborative experiences with Live Share

Streamline collaboration and connection by transforming your virtual meetings into interactive, multiplayer experiences.

Build once, deploy efficiently, connect across Microsoft 365

Develop Teams apps that seamlessly extend to Outlook and the Microsoft 365 app.

What are collaborative apps?

Collaborative apps bring teams together, enabling seamless communication and collaboration. With Teams, you can build collaborative apps that are:

Empower seamless work. Eliminate barriers and interruptions, and meet users where and when they work.

Bring business workflows, contextualized data, and actionable insights into every interaction - in real-time and over time.

Unlock business insights and open new frontiers of operational intelligence.

Transform your ideas into collaborative experiences

Bring your app into Teams

Create applications that meet users in their flow of work. Bring business processes, contextualized data, and actionable insights together to create collaborative experiences your customers will love.

Build a Teams app

Bring Teams into your app

Extend what your app can do with Teams functionality such as video calling, telephony, or chat, using the building blocks in Azure Communication Services. Plus, bring data and insights from Microsoft 365 to your app with Microsoft Graph.

Explore Azure Communication Services Explore the Microsoft Graph API

Build your Teams app with these quick starts

Get started building apps with Teams Toolkit

Get started

Build an AI-powered Teams bot

Get started

Build a Teams message extension app

Get started

Build a Teams tab app

Get started

Hack Together: Microsoft Teams Global Hack

June 1-15, 2023

HackTogether is your playground for coding and experimenting with Microsoft Teams. With mentorship from Microsoft experts and access to the latest tech, learn how to build Teams apps based on the top Microsoft Teams app scenarios.