Microsoft develops WinUI 3 File Explorer Properties dialog for Windows 11
Updated
Updated · WindowsLatest · May 4
Microsoft develops WinUI 3 File Explorer Properties dialog for Windows 11
7 articles · Updated · WindowsLatest · May 4
The hidden redesign, found in recent Insider builds, appears set to add dark mode and replace the long-standing legacy file and deleted-file Properties windows.
New strings were moved into the modern File Explorer framework, indicating Microsoft is migrating the dialog from older Win32 components to improve consistency, performance and reliability.
The change fits broader 2026 work to modernise Windows 11 interfaces and reduce File Explorer's hybrid codebase, with wider testing and rollout expected later this year.
Is updating a decades-old dialog box enough for Windows to lead in an era of AI-driven, context-aware file management?
As Microsoft modernizes Windows with 'K2', will it finally outperform streamlined rivals like SteamOS in speed and reliability?
With Windows rebuilding its core in WinUI 3, what is the plan for the vast ecosystem of legacy third-party apps?