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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 908

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

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

    JavaScript 973 948

  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 473 313

  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 809 120

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

    Microsoft Office Add-ins Documentation

    459 281

Repositories

Showing 10 of 450 repositories
  • office-js-docs-pr Public

    Microsoft Office Add-ins Documentation

    OfficeDev/office-js-docs-pr’s past year of commit activity
    459 CC-BY-4.0 281 13 4 Updated Apr 13, 2026
  • Office-Add-in-samples Public

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

    OfficeDev/Office-Add-in-samples’s past year of commit activity
    JavaScript 973 MIT 948 22 18 Updated Apr 13, 2026
  • microsoft-365-agents-toolkit Public

    Developer tools for building Teams apps

    OfficeDev/microsoft-365-agents-toolkit’s past year of commit activity
    TypeScript 699 289 254 (1 issue needs help) 57 Updated Apr 13, 2026
  • 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# 1,356 MIT 908 67 3 Updated Apr 13, 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 0 Updated Apr 13, 2026
  • microsoft-365-agents-toolkit-samples Public

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

    OfficeDev/microsoft-365-agents-toolkit-samples’s past year of commit activity
    TypeScript 473 MIT 313 16 57 Updated Apr 13, 2026
  • Excel-Custom-Functions Public

    Learn about custom functions in Excel.

    OfficeDev/Excel-Custom-Functions’s past year of commit activity
    TypeScript 332 65 8 2 Updated Apr 13, 2026
  • Office-Addin-Taskpane-SSO Public

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

    OfficeDev/Office-Addin-Taskpane-SSO’s past year of commit activity
    TypeScript 20 19 2 0 Updated Apr 13, 2026
  • Excel-Custom-Functions-Shared-JS Public

    Template to get start started writing an Excel custom function Office Add-in that used a shared runtime and JavaScript

    OfficeDev/Excel-Custom-Functions-Shared-JS’s past year of commit activity
    JavaScript 7 7 0 0 Updated Apr 13, 2026
  • Excel-Custom-Functions-Shared Public

    Template to get start started writing an Excel custom function Office Add-in that used a shared runtime and TypeScript

    OfficeDev/Excel-Custom-Functions-Shared’s past year of commit activity
    TypeScript 9 8 1 0 Updated Apr 13, 2026
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