how can thumbnails show up in Explorer?

[3dwiz]

I made pdf24 the default reader for pdf's, but only icons show in Windows Explorer. How do I turn on thumbnails?

[PDF24]

Why are PDF thumbnails (the first page) not displaying in the explorer window like they do the normal Windows Explorer?

When I look at files in Windows explorer, I can see a thumbnail of the first page of every PDF file in the folder. In PDF Creator, I only see an icon for PDFs in explorer window. This is even when I switch to Preview mode. Why are there no thumbnails for the PDFs?

[karaboy]

Hello, can we have an answer please?

[Stefan Ziegler]

PDF24 Reader must be your default file reader. You must therefore set PDF24 Reader as your default PDF app in Windows Settings. Or right-click on a PDF, select Open with..., select PDF24 Reader, and check the Always open with PDF24 Reader box.

[3dwiz]

PDF24 is setup as described, but thumbnails do not show up in explorer, only icons. Explorer is also set up to show thumbnails, so PDF24 is not doing it. If it was, I would not need to ask

[Stefan Ziegler]

If PDF24 Reader is your default app for PDF files, then it should work.

[madduck]

I am also unable to get the preview window working in Windows 11 with PDF24. 🙁

[grandave]

I have the same problem!

[PDF24 Support]

Hello,

sorry that this question remained unanswered for so long.

Since version 11.19.0, PDF24 Creator includes a thumbnail handler and a preview handler for PDF files in File Explorer. Both are provided by PDF24 Reader and are used when PDF24 Reader is the default app for PDF files in Windows. If another program is the default app for PDF files, Windows does not use the PDF24 thumbnails and preview.

The file explorer in PDF24 Creator (view Preview) gets its thumbnails from Windows. So it shows PDF thumbnails exactly when Windows File Explorer shows them.

So please:

1. Update PDF24 Creator to the current version.
2. Set PDF24 Reader as the default app for PDF files.

If thumbnails or the preview pane still do not work after that, please tell us your PDF24 Creator version and your Windows version.

[Author]

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