If File Explorer Preview for PDF is not working or displaying correctly and shows ‘INDEX OF…’ under Network folders, here's what you need to do.

Windows Explorer displayed .pdf files as preview thumbnails on Zill Niazi’s old Windows 7 laptop. But on a new laptop, also running Windows 7, it displays them only as icons. Can this be fixed ...

The Preview Pane add-on offers a way to view more types of files without having to open them. Learn how to use this helpful tool.

Given how limited the preview pane already feels in Windows 10, even adding just two more file types feels like a huge improvement.

Master file management with these tips to organize and search files effectively in Windows Explorer.