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Microsoft 365 Developer

Developer tools, samples, and other resources for building solutions on the Microsoft 365 platform.

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  1. Microsoft-Teams-Samples Microsoft-Teams-Samples Public

    Welcome to the Microsoft Teams samples repository. Here you will find task-focused samples in C#, JavaScript and TypeScript to help you get started with the Microsoft Teams App!

    C# 1.4k 909

  2. Office-Add-in-samples Office-Add-in-samples Public

    Code samples for Office Add-in development on the Microsoft 365 platform.

    JavaScript 972 947

  3. microsoft-365-agents-toolkit-samples microsoft-365-agents-toolkit-samples Public

    Scenario-focused sample applications that help you get started with building Microsoft Teams App.

    TypeScript 472 313

  4. office-js-docs-reference office-js-docs-reference Public

    Microsoft Office JavaScript API Reference

    TypeScript 149 71

  5. office-js office-js Public

    A repository for issues related to the Office JavaScript APIs and Office Add-ins platform. Find the Office.js library in Office.js CDN: https://appsforoffice.microsoft.com/lib/1/hosted/office.js.

    JavaScript 807 120

  6. office-js-docs-pr office-js-docs-pr Public

    Microsoft Office Add-ins Documentation

    459 280

Repositories

Showing 10 of 450 repositories
  • Microsoft-Teams-Samples Public

    Welcome to the Microsoft Teams samples repository. Here you will find task-focused samples in C#, JavaScript and TypeScript to help you get started with the Microsoft Teams App!

    OfficeDev/Microsoft-Teams-Samples’s past year of commit activity
    C# 1,353 MIT 909 67 3 Updated Apr 10, 2026
  • microsoft-365-agents-toolkit Public

    Developer tools for building Teams apps

    OfficeDev/microsoft-365-agents-toolkit’s past year of commit activity
    TypeScript 699 289 257 (1 issue needs help) 58 Updated Apr 10, 2026
  • Office-Inspectors-for-Fiddler Public

    Microsoft Office (MAPI, WOPI, and FSSHTTP) inspectors for Fiddler

    OfficeDev/Office-Inspectors-for-Fiddler’s past year of commit activity
    C# 91 MIT 60 1 1 Updated Apr 10, 2026
  • Office-Addin-TaskPane-SSO-JS Public

    JavaScript project template for creating an Office taskpane add-in that uses SSO.

    OfficeDev/Office-Addin-TaskPane-SSO-JS’s past year of commit activity
    JavaScript 12 17 1 2 Updated Apr 10, 2026
  • office-scripts-docs-reference Public

    Office Scripts API Reference Documentation

    OfficeDev/office-scripts-docs-reference’s past year of commit activity
    TypeScript 67 CC-BY-4.0 32 6 1 Updated Apr 10, 2026
  • Office-Addin-TaskPane-JS Public

    Template to get start started writing a TaskPane Office Add-in using JavaScript.

    OfficeDev/Office-Addin-TaskPane-JS’s past year of commit activity
    JavaScript 55 33 0 5 Updated Apr 10, 2026
  • Office-Addin-TaskPane-React Public

    Template to get start started writing a TaskPane Office Add-in for the React framework using TypeScript

    OfficeDev/Office-Addin-TaskPane-React’s past year of commit activity
    TypeScript 84 41 5 7 Updated Apr 10, 2026
  • Office-Addin-TaskPane-React-JS Public

    Template to get start started writing a TaskPane Office Add-in for the React framework using JavaScript

    OfficeDev/Office-Addin-TaskPane-React-JS’s past year of commit activity
    JavaScript 32 21 0 5 Updated Apr 10, 2026
  • Excel-Custom-Functions-JS Public

    Write your own functions in Excel using JavaScript.

    OfficeDev/Excel-Custom-Functions-JS’s past year of commit activity
    JavaScript 57 25 2 5 Updated Apr 10, 2026
  • Office-Addin-TaskPane Public

    Template to get started writing a TaskPane Office Add-in.

    OfficeDev/Office-Addin-TaskPane’s past year of commit activity
    TypeScript 93 49 3 6 Updated Apr 10, 2026
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