Microsoft 365 developer documentation

Build agents and connectors that extend Copilot with your business skills and knowledge.

Build agents and apps that work in Teams, Copilot, and Outlook.

Extend Office applications to interact with content in Office documents and Outlook mail and calendar items.

Build intelligent apps, derive insights and analytics, and extend Microsoft 365 experiences.

Customize and extend SharePoint experiences across Microsoft 365, in Microsoft Viva, Teams, Outlook, and Office.

Build low-code apps that modernize processes and solve tough business challenges in your organization.