Developer resources to extend Excel functionality with Office JavaScript API. Access Excel data over the web with REST API requests to Microsoft Graph.

Start developing on the Microsoft 365 platform today! Join the Developer Program to get a free instant sandbox and sample data packs including Teams.

Use the Office JavaScript API to extend functionality for Word, Excel, PowerPoint, and Outlook. Find documentation, training, blogs, samples, and more.

Explore this documentation designed for experienced developers who are new to building generative AI apps on Azure using Azure OpenAI Services and their favorite programming …

Microsoft Agent Framework is an open-source development kit for building AI agents and multi-agent workflows for .NET and Python. It brings together and extends ideas from Semantic …

Jul 16, 2025 · We’ve been talking a lot about the Model Context Protocol (MCP) lately, including recent blog posts and sessions at Microsoft Build. In this post, I’d like to share some top tips …

Automate day-to-day tasks in Excel on the web, Windows, and Mac with Office Scripts. Record your actions with Action Recorder and modify the TypeScript language script with Code Editor.

Jan 6, 2026 · Find resources for Microsoft 365 development, including code samples, events, blog posts, and more.

Build a sample app that connects to Microsoft 365 and calls the Microsoft Graph OneDrive API. Choose your language including C#, Python, PhP, JavaScript, and others, and get up and …

Microsoft 365 Copilot is an AI-powered assistant that uses large language models (LLMs). It integrates with your data, with Microsoft Graph, and with Microsoft 365 Apps, like Word, Excel, …