Microsoft 365 Developer Blog
A developer platform for building collaborative apps for hybrid work
Featured posts
SharePoint Framework (SPFx) roadmap update – August 2026
SPFx 1.24 Beta 3 is now available, React 18 support is coming in 1.24, and a new Copilot Components preview program opens for customers and partners.
Building Agents for Teams: Managing the noise of collaboration
Most of us are familiar with one-to-one agent chats: private, direct interactions where rules are relatively simple. With only you and the agent, each moment ha...
Latest posts
Prepare your VBA projects for VBScript deprecation in Windows
In May 2024, Microsoft announced the phased deprecation of VBScript in Windows, as detailed in the official Windows IT Pro Blog. This change impacts VBA developers who rely on VBScript, particularly for reference libraries such as regular expressions. This post outlines the upcoming changes and provides guidance to help you future proof your VBA projects. How VBA projects use VBScript Visual Basic for Applications (VBA) automates tasks and extends functionality in Office applications, including Excel, Word, PowerPoint, and Access. VBScript is commonly used in VBA projects in two ways: VBScript depr...
Change to data visibility for Microsoft Graph callRecords APIs in GCC High and DoD
We're making changes to how Microsoft handles Microsoft Teams call data in GCC High and DoD environments that we expose via the Microsoft Graph callRecords APIs.
Dev Proxy v1.1 with improved support for Microsoft Graph batching
Introducing Dev Proxy v1.1 with critical fixes for Microsoft Graph batch request simulation, resolved authentication plugin issues, and enhanced the MinimalPermissionsGuidancePlugin with new reporting capabilities.
Enriching Microsoft 365 profiles with Microsoft 365 Copilot connectors for people data (public preview)
Enrich Microsoft 365 profiles with Microsoft 365 Copilot connectors for people data
Microsoft Graph Toolkit retirement
We are announcing the deprecation of the Microsoft Graph Toolkit (MGT). The retirement period begins September 1st, 2025 with full retirement planned for August 28th, 2026. Why we’re retiring this toolkit We introduced the Microsoft Graph Toolkit (MGT) to simplify the developer experience when building web applications that connect to Microsoft Graph. It provided a set of reusable web components and helpers to accelerate development and reduce the complexity of authentication and data binding. However, the MGT’s narrower ecosystem, and overlap with more powerful alternatives have led to a decline in its usage o...
Microsoft Graph CLI retirement
We are announcing the retirement of the Microsoft Graph command-line interface (CLI). The Microsoft Graph CLI has served as a powerful tool for developers and IT professionals to interact with Microsoft Graph through simple terminal commands—enabling automation, scripting, and streamlined access to Microsoft 365 data and services. As we evolve our developer tooling strategy, we’re shifting focus to the more integrated and modern experiences found in PowerShell. Why we’re retiring the CLI We introduced the Microsoft Graph CLI to provide a lightweight, cross-platform tool for interacting with Microsoft Graph APIs...
Dev Proxy v1.0 with new features for building robust AI-powered apps
Introducing Dev Proxy v1.0, with new language model-specific testing capabilities to help developers build more reliable AI-powered applications by simulating real-world scenarios and tracking resource usage.
Build Smarter with the Microsoft 365 Agents Toolkit MCP Server
Bring your own agents into Microsoft 365 Copilot
Custom Engine Agents now generally available—build and integrate your own AI into the flow of work Microsoft 365 Copilot is redefining how people interact with AI—embedding it directly into the flow of work as the intuitive, natural interface for agents: the ‘UI for AI’ As Copilot becomes the interface for AI in the workplace, we’re seeing growing demand from customers who want to extend its capabilities with their own solutions. Many of our customers are looking to create custom agents—or have already built agents that operate outside the Microsoft 365 ecosystem—using fine-tuned models, custom logic, orchest...