How to Enable File Preview in Windows 11 PowerToys
File Preview in Windows 11 PowerToys lets you look inside documents and images straight from File Explorer without opening separate programs. This built-in feature works just like Quick Look on a Mac so you can check PDFs, text files, and photos with a single click.
Microsoft PowerToys version 0.60 or later must be installed on your PC to make this work. You can turn on the preview pane by opening the PowerToys app and switching the peek option to on.
Open PowerToys, navigate to File Explorer Add-ons, and toggle on the desired previewers like SVG, Markdown, or source code. Ensure “Enable Thumbnail support” is also on. Then, open File Explorer and press Alt+P to reveal the Preview Pane and see file contents.
Prerequisites
Installing Microsoft PowerToys remains a prerequisite to using its features, including file preview.
Peek vs. File Explorer Add-ons
PowerToys offers two primary methods for file preview: Peek and File Explorer Add-ons, and they can sometimes be confused.
How to Enable PowerToys Peek
PowerToys Peek provides quick file previews, letting you view pictures, documents, and code without opening them. Open the PowerToys app and select Peek from the left sidebar. Toggle the switch to On, then test it out by highlighting any document in File Explorer and pressing CTRL + Spacebar.
- Open the PowerToys app.
- Select Peek from the left menu.
- Toggle Enable Peek to On.

Pressing CTRL + Spacebar instantly triggers the viewer for any selected file. Arrow keys let you cycle through files residing in the same folder.

Using File Explorer Add-ons
PowerToys File Explorer Add-ons enable you to see more file types directly within the Windows File Explorer preview pane, such as code and SVGs. Open PowerToys and click on File Explorer Add-ons, then toggle the switches for the previews you desire, including SVG previewer, Markdown previewer, and source code previewer. Ensure Enable Thumbnail support is also activated.
- Open PowerToys.
- Click File Explorer Add-ons.
- Toggle the switches for Enable SVG previewer, Enable Markdown previewer, and Enable source code previewer.
- Ensure Enable Thumbnail support is also turned on.

Once enabled, open File Explorer and press ALT + P to reveal the Preview Pane. Clicking on a file renders its contents automatically.
Troubleshooting
If previews refuse to load, restart the background PowerToys process. Next, double-check that your desired format (such as SVG or Markdown) remains active in the dashboard. Verify that the file itself is not corrupted and that you hold the necessary permissions to read it, particularly when located in a custom folder location like C:\Users\GenericUser\Documents.
- Restart the PowerToys app.
- Check that the specific previewer (like SVG or Markdown) is toggled On in the settings.
- Ensure your file is not corrupted.
- If you are using a custom path like C:\Users\GenericUser\Documents, ensure you have read permissions for that folder.
Summary
PowerToys offers two robust methods for file preview: the Peek utility for immediate pop-up previews and File Explorer Add-ons for seamless integration with the Windows Preview Pane. Utilizing these tools saves time and enhances your daily workflow. For additional information, consult the official PowerToys documentation.
How do I enable the Preview Pane in 🪟 Windows 11?
Open File Explorer, click the View menu at the top, select Show, and then click Preview pane. Alternatively, pressing ALT + P on your keyboard while inside any folder toggles the pane on or off instantly.
Can I preview STL files in Windows Explorer using PowerToys?
Yes, PowerToys includes support for STL files. Enabling the Thumbnail support and Preview Pane features within the File Explorer Add-ons section of the PowerToys settings lets you view 3D models directly in your file manager without launching a dedicated 3D modeling application.
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Richard
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Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.
[…] Windows 11 thumbnail previews help you manage files visually. If they stop working, check your Folder Options first. If that fails, clear your thumbnail cache using Disk Cleanup or check your Registry settings. Always ensure you have enough disk space to allow Windows to save these preview images. For more advanced file viewing, consider using PowerToys. […]