Learn FLUENT-UI with Real Code Examples

Fluent UI provides a comprehensive component library with built-in accessibility and theming support.

It emphasizes consistent design patterns aligned with Microsoft’s Fluent Design System.

Fluent UI is optimized for enterprise applications, supporting both web and Teams-based experiences.

Prebuilt React components for UI consistency

Theming support including color palette and typography

High accessibility standards (WCAG compliant)

Layout primitives (Stack, Grid, Flex)

TypeScript support with type-safe components

Components: Button, TextField, ComboBox, DetailsList

Layout: Stack, Flex, Grid for responsive layouts

Theming: customize colors, fonts, and semantic tokens

Styling: CSS-in-JS with `mergeStyles` and tokens

Responsive utilities and breakpoints for different devices

src/ - main React source folder

src/components/ - reusable Fluent UI components

src/theme/ - custom tokens or theme overrides

package.json - Fluent UI dependencies

public/ - static assets and index.html

Install Fluent UI package

Wrap app with FluentProvider

Use prebuilt components in JSX

Customize components via theme tokens or style props

Test accessibility and responsive behavior

Beginner: using default Fluent UI components

Intermediate: customizing themes and tokens

Advanced: building enterprise dashboards

Expert: integrating Fluent UI with Teams apps

Community: creating scalable and accessible React apps

Microsoft design-oriented vs Material Design (MUI)

React-only library vs utility-first frameworks

Prebuilt enterprise components vs flexible composables (Chakra)

Accessible by default vs configuration required

Ideal for Microsoft ecosystem applications

2016 – Initial release as Office UI Fabric

2017 – Core React components stabilized

2019 – Rebranded as Fluent UI

2021 – Fluent UI v8 with updated tokens and accessibility

2025 – Current stable with active Microsoft support

Component: reusable UI element

Token: design variable for theming

FluentProvider: wrapper for global theme

Stack: layout primitive for vertical/horizontal alignment

DetailsList: advanced table component