Illustration of slices of apps including Microsoft Teams and other Microsoft 365 apps that offer developers opportunity to build collaborative apps.

Create collaborative experiences with Microsoft 365

Bring people, business processes, data, and insights together in the flow of work.

Livestream event: Build once, deploy efficiently, connect across Microsoft 365

March 29, 2023 9:00 PST

Join us for an exciting virtual event that will unveil the latest features for deploying Microsoft Teams apps across Microsoft 365, including Outlook.


Integrate your collaborative app into the platform.

Microsoft Teams
Microsoft Viva

Create engaging experiences for your users.

Power Platform
Fluent UI

Bring data, security, and infrastructure into your app.

Microsoft identity
Microsoft Graph


Explore ways to build or sharpen your skills.

Get started with documentation

Explore technical documentation and resources to help you build apps for the Microsoft 365 and Teams platform.

Dive deeper with interactive demos and videos

Explore the array of Microsoft and community-produced interactive demos and videos.

Go further with Microsoft learning paths

Learn on your own schedule. Find in-depth guided learning paths or learn how to accomplish a specific task through individual modules.

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 that 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.

REI logo

"We sold our campus and fully committed to a hybrid work strategy. The fact that we had implemented Microsoft 365 and standardized on Teams helped ensure our success in our new workplace environment."

-Joey Northcott, Divisional Vice President of Technology Services REI


Learn. Share. Connect. Grow.

Join the Microsoft 365 Developer Program

Join the Microsoft 365 Developer Program

Get an instant sandbox preconfigured with sample data and start developing on the Microsoft 365 platform.

Developers seated around a table participating in the Microsoft 365 developer community

Connect with our community

Don't reinvent the wheel. Learn, share and contribute with others on how to build apps for the Microsoft 365 and Teams platform.

Get the latest Microsoft 365 developer platform news

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