Microsoft 365 Developer Blog
A platform for creating collaborative apps for hybrid work
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Copilot UX components are generally available: bring interactive experiences into Copilot
Copilot UX components are generally available with SPFx 1.24. Bring interactive dashboards, forms, and business actions directly into Microsoft Copilot, so peop...
Latest posts
Deprecation notice: Low-trust SharePoint add-ins in SharePoint Server Subscription Edition
Support for low-trust SharePoint Add-ins in SharePoint Server Subscription Edition ends on January 12, 2027. The January 2027 public update will disable these add-ins by default. Organizations should identify affected solutions and plan their migration to supported alternatives, such as SharePoint Framework (SPFx). SharePoint REST, CSOM, and JSOM APIs are not affected.
Your voice shapes SPFx: take our developer survey
Help shape the future of SPFx. Share your developer experience in our survey, open until December 9, 2026, and help guide future investments. Explore highlights from a year of updates, including Copilot UX components, and discover what’s next on the roadmap and how to get involved in the community.
Your app needs documents. Do you really want to build a document platform?
File storage is rarely just file storage. Imagine your team is building a contract management application. At first, the document requirement looks straightforward: upload a file, organize it, retrieve it, and let the right people open it. Then the real requirements from your customer, security, and operations teams arrive, and the scope quickly expands to collaboration, authentication, permissions, governance, and administrative controls. What began as a feature has become a document platform. And now your team is spending cycles on content services instead of adding unique customer value. SharePoint ...
Streamline creation and management of AI-ready, custom apps with SharePoint Embedded
SharePoint content isn’t limited to sites and document libraries. Increasingly, organizations are bringing Microsoft 365 content capabilities directly into the custom apps their users rely on. That’s where SharePoint Embedded comes in. SharePoint Embedded is a cloud-based, API-only document management platform that enables developers to bring Microsoft 365 content capabilities into custom applications, including Office collaboration, Microsoft Purview security and compliance, and Copilot experiences. The application provides the user experience, while SharePoint Embedded provides the content platform behind i...
Develop enterprise-grade apps with SharePoint Embedded
Taking an enterprise application from development to production requires confidence that it can scale, stay reliable, and be governed effectively. Recent SharePoint Embedded updates give developers clearer guidance for making those decisions, from understanding limits and managing throttling to choosing the right permissions. In this blog post, we highlight updates that help you: Read on to get more details and watch the SharePoint Embedded presentation below to learn more about these updates: Plan for scale with clearer baselines and limits We updated the container st...
Work IQ: the new retrieve tool
The new Work IQ Retrieve tool grounds agents in the context of work, helping them reason over the right information and deliver more relevant, trustworthy responses. With one retrieval layer across work sources, developers can give agents richer organizational context without building separate search systems. Retrieve: grounded answers across work sources The new MCP tool named searches a user's workplace data—including email, files, meetings, Teams messages and people, as well as connected enterprise sources. As with any other tool offered by Work IQ, each user will be able to retrieve information only fr...
Build AI-powered apps without creating a vector database
Developers building AI applications face a familiar challenge: how do you ground AI experiences in enterprise content while maintaining security, compliance, and governance? You can use the Microsoft 365 Copilot Retrieval API for SharePoint Embedded, which helps you add Microsoft 365 Copilot and agent experiences to your SharePoint Embedded apps when you want to control the grounding step, the prompt, and the model yourself. In addition, you can use the SharePoint Embedded Model Context Protocol (MCP) server, now available in public preview, to build and manage apps with a coding agent. Together, the...
Pre-authenticated (tempauth) URLs are retiring: move to Microsoft Entra ID tokens before April 1, 2027
Starting April 1, 2027, affected Microsoft Graph file APIs will no longer return pre-authenticated URLs. Applications using these APIs must authenticate requests with Microsoft Entra ID access tokens.
SharePoint Framework (SPFx) roadmap update – September 2026
New Copilot UX components heading to Generally Available in October 2026, SPFx 1.24 Beta 5 is now available, React 18 support is coming in 1.24. Updates coming in Node.js support.