Showing category results for Microsoft 365 Developer

At Build 2025, we introduced the Microsoft 365 Copilot APIs to help developers bring grounded AI into their solutions without rebuilding indexes or compromising security. The response has been encouraging, and your feedback continues to guide the direction of the platform.   Customers are asking for deeper retrieval, better search, and simpler w...

Read about new and exciting features now available in the Office Add-ins ecosystem for Ignite 2025. Learn about platform updates, developer experience improvements, and store enhancements.

Agent 365 Interoperability equips any agent with apps and data to simplify human-agent workflows.

Agent 365 serves as the control plane for agents, providing organizations with a centralized location to manage agent identity, policies, observability, and lifecycle. 

Microsoft is launching a centralized developer resource page that consolidates interoperability and data portability information, tools, and feedback channels to help partners and customers use Microsoft 365 more effectively.

SPFx is powering the future of Microsoft 365. From AI-driven portals to seamless integrations across SharePoint, Teams and Viva, SPFx is driving innovation at scale. This blog series kicks off our journey into the next evolution—transparent, community-driven, and built for the AI era. Let’s shape what’s next, together.

Introducing Dev Proxy v1.3 with new plugins for inspecting and debugging API requests, along with enhanced permissions analysis and improved OpenAPI spec generation for complex testing scenarios.

The previewImageUrl property is no longer returned for file attachment items.

We are excited to share updates on the Microsoft 365 Developer Program with new capabilities and upcoming changes.

We are updating how inline images are represented in the HTML body of Outlook emails in Outlook on the web and the new Outlook for Windows. This change may impact how your add-in identifies and processes inline images when using the attachment ID.