The program adds thumbnail support for over 15 file types. If you prefer to get thumbnail preview for all video and image file types, you need to install a free program called Icaros. While most of the popular video and image file types are supported, icons are displayed instead of thumbnails for many file types. Solution 4 of 4 Install a third-party thumbnail generatorĪs some of you likely know, Windows Explorer or File Explorer doesn’t support thumbnail view feature for all file types. You can clear and reset the thumbnail cache with a few mouse clicks by following the instructions in our how to clear and reset the thumbnail cache in Windows 10 guide. If the File Explorer is displaying blurry thumbnails for one or more files, it could be because of the corrupted thumbnail cache. Under the Advanced settings section, uncheck the option labeled Always show icons, never thumbnails, and then click Apply button to enable thumbnails in Windows Explorer.

Clicking Options will also open Folder Options. If a file is selected in the particular folder, you might see just Options instead of Change folder and search options. Click the File menu and then click Change folder and search options to open Folder Options. As soon as you install the bridge you should see PDF thumbnails appear in Windows Explorer, File->Open/Save dialogs, etc. Here is how to turn on Thumbnails in Windows 10: To fix the thumbnails, I wrote a '32/64-bit thumbnail bridge' which allows 64-bit programs like Windows Explorer to talk to 32-bit thumbnail generators like Adobe Reader's. When thumbnails are turned off, the File Explorer displays icons of the default program for the file type instead of the thumbnail preview. Solution 2 of 4 Check if thumbnails are disabledĮven if the thumbnail preview supported view is turned on for a particular folder, thumbnails for files won’t be displayed if the File Explorer is configured to show icons instead of thumbnails. So, select one of the views mentioned above to turn on the thumbnail view. To turn on thumbnail preview supported view, click on the View tab, and then click on one of the following views:Īll the views mentioned above support thumbnail previews.

Note that every folder can have its own view setting, and when you change the view, it won’t be applied to all the folders on your PC. Check if thumbnail preview supported view is turned onīefore doing anything else, make sure that you have turned on the thumbnail preview supported view for the folder where you have your videos or photos.

Pdf thumbnails windows 10