Previews in File Explorer
See a PDF's pages in File Explorer, without opening it.
Where to find it
FileSettingsGeneralExplorer preview
Steps
In Fluah: File › Settings › General › Explorer preview.

Switch on Use Fluah for Explorer previews. Windows asks for administrator approval once.
In File Explorer, press AltP for the preview pane, then click a PDF.

Its bar changes the page and the zoom. The wheel zooms too.
Markdown files, pictures and .dwg drawings preview too. If the card says Needs repair, click Repair.
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Updated 6 November 2026