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@OfficeDev

Microsoft 365 Developer

Developer tools, samples, and other resources for building solutions for Office 365 and beyond.

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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!

    1.4k 927

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

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

    JavaScript 1k 952

  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 502 323

  4. 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 844 124

  5. microsoft-365-agents-toolkit microsoft-365-agents-toolkit Public

    Developer tools for building Teams apps

    TypeScript 776 312

  6. microsoft-teams-library-js microsoft-teams-library-js Public

    JavaScript library for use by Microsoft Teams apps

    TypeScript 469 215

Repositories

Showing 10 of 422 repositories
  • microsoft-365-agents-toolkit Public

    Developer tools for building Teams apps

    OfficeDev/microsoft-365-agents-toolkit's past year of commit activity
    TypeScript 776 312 29 90 Updated Sep 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# 95 MIT 62 1 2 Updated Sep 10, 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 502 MIT 323 24 71 Updated Sep 10, 2026
  • microsoft-teams-library-js Public

    JavaScript library for use by Microsoft Teams apps

    OfficeDev/microsoft-teams-library-js's past year of commit activity
    TypeScript 469 215 231 49 Updated Sep 10, 2026
  • office-dev-program-docs Public

    Docs for the M365 Developer Program.

    OfficeDev/office-dev-program-docs's past year of commit activity
    33 CC-BY-4.0 58 5 2 Updated Sep 9, 2026
  • open-xml-docs Public

    Doc repository for the Office OpenXML documentation.

    OfficeDev/open-xml-docs's past year of commit activity
    PowerShell 109 MIT 73 6 3 Updated Sep 9, 2026
  • Office-Addin-Scripts Public

    A set of scripts and packages that are consumed in Office add-ins projects.

    OfficeDev/Office-Addin-Scripts's past year of commit activity
    TypeScript 194 MIT 118 47 2 Updated Sep 9, 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 28 2 1 Updated Sep 9, 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 6 11 0 0 Updated Sep 9, 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 8 11 1 0 Updated Sep 9, 2026
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