This post shows students and new users steps to turn thumbnail preview on or off in File Explorer when using Windows 11.
File Explorer in Windows 11 displays files and folders as a list by default. Even images will be displayed as a list.
However, Windows also supports displaying thumbnail images or icons in File Explorer. When working with lots of images with thumbnail preview enabled, File Explorer makes it easy to see the actual images or photos in thumbnail sizes, and this can provide you with more details instead of a list.
By default, thumbnail preview is enabled. However, you’ll have to select a medium, large, or extra-large icon in File Explorer to preview thumbnail images. If the thumbnail preview is disabled, it will also be turned off in File Explorer.
How to enable or disable thumbnail preview in Windows 11
As mentioned above, you can turn on or off previewing of thumbnails in Windows 11. By default, this is enabled, but if it’s disabled for some reason, here’s how to enable it.
Open File Explorer, select the ellipse (three dots on the toolbar), and select Options.

Then ensure the check box next to “Always show icons, never thumbnail” is not checked.

Now, in File Explorer, with list view, you’ll see your images as shown below.

To preview the thumbnail in File Explorer, click View in the toolbar menu and select Large, Medium, or Small icons.

Now thumbnails are shown in preview mode.

To turn off the thumbnail preview, go to File Explorer options and click on the View tab, then check to box “Always show icons, never thumbnail.”
You may also want to read the post below if the above doesn’t work for you.
How to preview files and images with PowerToys on Windows 11
That’s it!
Conclusion:
- Enabling thumbnail previews in Windows 11 enhances your experience by displaying images in a visually appealing way.
- Access thumbnail settings easily through File Explorer options.
- You can choose between different icon sizes to best suit your viewing preferences.
- If needed, disabling thumbnail previews is just as straightforward.
- For additional functionality, consider integrating PowerToys for enhanced file previewing options.
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