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We've moved! UI Fabric is now Fluent UI - A set of React components for building Microsoft web exper...

9.1K Stars 1.6K Forks Last release: 3 days ago (@uifabric/utilities_v7.26.1) Other 9.0K Commits 6.8K Releases

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:tada: The Office UI Fabric React project has evolved to Fluent UI. :tada:



repo has moved! This should not disrupt any current Fabric usage, repo clones, pull requests or issue reporting. Links should redirect to the new location.

We have a lot in store for Fluent UI - Read our announcement here.

Fluent UI React

The React-based front-end framework for building web experiences.

npm version Build Status

Fluent UI React is a collection of robust React-based components designed to make it simple for you to create consistent web experiences using the Fluent Design Language.

Learn about Fluent UI

Fluent UI React current release documentation

Fluent UI Northstar documentation for Teams developers

Who uses Fluent UI React?


  • 45 additional Microsoft sites and products

For more information...

Please see the wiki.


Using Fluent UI React

Creating a new app

To create a simple React app using Create React App, install Node.js, then run:

npx create-react-app my-app cd my-app npm install @fluentui/react npm start

See the next section for some starter code using Fluent UI React controls.

Integrating in your project

npm i @fluentui/react # Or, use yarn yarn add @fluentui/react

This will add the package as a dependency in your


file and download it under



The library includes ES2015 module entry points under the


folder (use


if you need AMD, or


if you need commonjs). To use a control, import it and then use it in your render method:

import React from 'react'; import ReactDOM from 'react-dom'; import { PrimaryButton } from '@fluentui/react/lib/Button'; ReactDOM.render(<primarybutton>I am a button.</primarybutton>, document.getElementById('root'));

Version policy

Fluent UI React adheres to semantic versioning. However, we only consider constructs directly importable at the package level or from files at the root (e.g.




) to be part of our API surface. Everything else is considered package-internal and may be subject to changes, moves, renames, etc.

Browser support

Fluent UI React supports all evergreen browsers, with IE 11 as the min-bar version of Internet Explorer. See the browser support doc for more information.

Right-to-left support

All components can render in LTR or RTL, depending on the


attribute set on the


element (


will flip the direction of everything). You can also use the


API if you don't have control over the


element's rendering. Example:

import { setRTL } from '@fluentui/react/lib/Utilities'; setRTL(true);

Server-side rendering

Fluent UI React components can be rendered in a server-side Node environment (or used in tests which run in an SSR-like environment), but it requires customizing how styles and SCSS files are loaded. See the server-side rendering documentation for examples of how to handle this.

Advanced usage

For info about advanced usage including module- vs. path-based imports, using an AMD bundler like RequireJS, and deployment features, see our advanced documentation.

Contribute to Fluent UI React

Please take a look at our contribution guidelines for more info. Also read Contribute bug fixes and Contribute new component.

Building the repo

Before you get started, make sure you have read the Git branch setup instructions

To view the documentation including examples, contracts, component status, and to add functionality or fix issues locally, you can:

  1. git clone
  2. cd fluentui
  3. yarn
  4. yarn builddemo
  5. yarn start

This will start a demo page from the


package folder, which will open a web browser with the example page. You can make changes to the code which will automatically build and refresh the page using live-reload.

To build and run tests for all packages in the repo, run

yarn build

from the root.

To build individual packages within the






to the relevant folder and run

yarn build

. Note that because the packages are symlinked together, you must manage building dependencies in the right order, or use the

yarn buildto

script to build to the specific package you want.

Advanced build commands

There are more advanced build commands listed in the Build Commands wiki page.


For info about testing, see our testing documentation.


All files on the Fluent UI React GitHub repository are subject to the MIT license. Please read the License file at the root of the project.

Usage of the fonts and icons referenced in Fluent UI React React is subject to the terms of the assets license agreement.


We use GitHub Releases to manage our releases, including the changelog between every release. View a complete list of additions, fixes, and changes on the releases page.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact [email protected] with any additional questions or comments.

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