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.

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