Introducing Fluent 2Explore the next evolution of Microsoft's design system
Experience Fluent 2Fluent
A collection of UX frameworks for creating beautiful, cross-platform apps that share code, design, and interaction behavior.
Build for one platform or for all. Everything you need is here.
Web Components
Windows
Android
Cross-platform
Powering Microsoft 365 apps
Build your own apps using the same open source components we do—with accessibility, internationalization, and performance included.
Discover more
From tutorials to a fun collection of API references, find what you need to design and develop your own Fluent experience.
Who at Microsoft
uses Fluent UI?
From Word and Excel to PowerBI and Teams, many Microsoft apps utilize Fluent UI functionality.