File Explorer does have a Preview pane, but it eats into the main window permanently, and it still only offers a very tiny preview. It could be much better.
Windows 11 KB5077241 brings File Explorer improvements, display optimizations, and taskbar fixes for smoother PC performance and usability.
Windows 11 Insider Beta Build 26220.7859 (KB5077223) for 25H2 adds a Microsoft 365 upgrade option in Settings, plus taskbar and File Explorer fixes.
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