All the nitty-gritty details you need to design and build a Teams app including the design guide and a manifest reference.
What you'll find here
|General||Important topics that don't fit elsewhere.|
|Public Developer Preview||Get access to the latest features so that your apps can be ready when those features go live.|
|Design Guidelines||How to make your app fit in with Teams and with other apps by following these UI guidelines.|
|Manifest schema reference||All the details in this reference for the Teams app schema.|
|Graph APIs||Using the Graph from Teams apps.|
Submit your questions, bugs, feature requests, and contributions
We listen to the developer community across several channels.