Windows File Explorer offers a preview pane where, when a file is selected, a preview of the file content is displayed for some of the files. Text, PDF, and Images are some of them that support this.

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.

Normally, when I view an Explorer folder, I have the PDF files on “view large icons” (as it then gives me a preview of what the first page of the file looks like). But Windows 8 wiped all of that.

Open File Explorer. Select a common type of file, such as PDF or image. Click the View tab and select Preview Pane. The file is displayed in the Preview Pane (Figure B). Figure B. Now, download or ...

The Preview Pane allows you to view the contents of a file, such as a PDF or image, without opening it. The Details Pane provides metadata like file size, creation date, and tags. It's simple to ...

With the File Explorer PowerToy enabled, you’ll now be able to view .MD and .SVG files in File Explorer’s preview pane. Given how limited the preview pane already feels in Windows 10, ...

To mitigate the issue, you can disable the PDF icon preview option in PowerToys by opening the app, clicking File Explorer Add-ons on the left sidebar, and toggle off "Enable PDF (.pdf) preview ...