Reimagine your collaborative apps with Microsoft Teams
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:

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

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

Intelligent
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.

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.
Build your Teams app with these quick starts

Get started building apps with Teams Toolkit

Build an AI-powered Teams bot

Build a Teams message extension app

Build a Teams tab app
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.
Resources to help you get started
Try the instant sandbox
Join our Microsoft 365 Developer Program to get a free, renewable 90-day developer subscription to develop Teams solutions.
Get your free sandbox
Your learning journey starts here
Build apps for Microsoft Teams with Teams Toolkit.
Start learning path


Learn from others
Don't reinvent the wheel. Share with others and contribute your knowledge about building apps for Teams.