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How to Change Icon Cache Size in #Windows11

The icons that display for files in Windows are saved in an icon cache so they can be displayed quickly instead of having to manually scan and slowly load them each time.

Sometimes you may notice File Explorer loads icons slowly when you open a folder with lots of files. Increasing the size of the icon cache may help.

By default, the icon cache is 500 KB. Increasing the icon cache size to 4 MB gives the best results, but you can change the size to what works best for you.

This tutorial will show you how to change the maximum size of the icon cache to fix slow loading icons in File Explorer for all users in Windows 7, Windows 8, Windows 10, and Windows 11.

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Rebuild Icon Cache in Windows 11

The icons that display for files in Windows are saved in an icon cache so they can be displayed quickly instead of having to manually scan and slowly load them each time.

The icon cache can sometimes become corrupted causing the icons of files to display incorrectly or distorted. When this happens, the icon cache needs to be deleted to reset and automatically recreate it.

Rebuilding the icon cache will not help with the following icon issues:

  • The icon of a shortcut not displaying properly due to the target source of the shortcut was moved or deleted. You may need to recreate a new shortcut directly from the source (ex: program’s exe) file to replace it instead.
  • All icons for a specific file extension display the wrong icon. This may be due to setting the wrong association for what app to open the file type instead. If so, restoring the default association of the file extension will fix this issue.
  • Thumbnails of pictures, videos, and documents.

This tutorial will show you how to rebuild the icon cache to clear and reset it for your account in Windows 10 and Windows 11.

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How to Extract Icon from File in Windows

You can use the free IconViewer utility program to view and save the icons contained within files, such as executable files and dynamic link libraries (DLLs).

When IconViewer is installed, it will add an Icons tab to the properties page of any file that contain icons.

While you must be signed in as an administrator to install IconViewer, all users will be able to use the Icons tab in the properties page of files that contain icons.

This tutorial will show you how to extract icons from files to save as a ICO, BMP, or PNG file in Windows 7, Windows 8, and Windows 10.

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