Windows 10: how to change extension-specific handlers for Explorer's Preview Pane?

Discus and support how to change extension-specific handlers for Explorer's Preview Pane? in Windows 10 Support to solve the problem; In the Explorer view, I normally have the file list in Details format and the Preview Pane turned on. A few associations have recently become broken,... Discussion in 'Windows 10 Support' started by June20, Jun 25, 2020.

  1. June20 Win User

    how to change extension-specific handlers for Explorer's Preview Pane?


    In the Explorer view, I normally have the file list in Details format and the Preview Pane turned on.
    A few associations have recently become broken, in that the preview pane shows nothing, but file with other extensions show their normal previews.
    All other Explorer functions are behaving normally. I don't know what has done this, perhaps bugs in the uninstall process for a few apps.
    Changing the default app used to open the file (as set by the Rclick/Opens with dialog box) makes no difference to whether anything shows in the Preview Pane.
    The handler chosen to create the preview is presumably located in the registry, but I can't see how the system works.
    So how do I permanently change the preview handler for a given extension?
    What is the correct key/value structure for each file association in the registry to make this work?

    Version is Win10 Pro 1909 build 10.0.18363.836

    :)
     
    June20, Jun 25, 2020
    #1

  2. preview/details pane in explorer

    Hi,

    Setting the Preview pane to show or hide in File Explorer will apply to all folders. If you wish to hide the Preview pane in File Explorer, we suggest that you follow the steps below:

    • Open File Explorer.
    • Tap on View tab.
    • Click Preview Pane to view/hide it.

    We would appreciate it if you could get back to us and provide us your feedback.
     
    Michael Gall, Jun 25, 2020
    #2
  3. Mithin_EJ Win User
    Preview pane doesn't work in Windows 10

    Hi RuthZekowski,

    Thank you for posting your question in the Microsoft Community.

    1. Are you facing issue with all your files or any particular files?
    2. Which version of Windows you are using?
    3. Since when are you facing this issue?

    The Preview pane shows the contents of certain files selected in File Explorer. For images, it is a thumbnail preview.

    If you are unable to preview in File explorer, I suggest you to try the below steps.

    1. Open a new File Explorer window and click the View tab from the ribbon toolbar.
    2. Click Options, and then click Change folder and search options to open Folder Options dialog.
    3. Check the Show preview handlers in preview pane box, and click/tap on OK.​





    Please reply for all the required information to help you further.



    Hope it helps.
     
    Mithin_EJ, Jun 25, 2020
    #3
  4. how to change extension-specific handlers for Explorer's Preview Pane?

    Preview pane doesn't work in Windows 10

     
    RuthZekowski, Jun 25, 2020
    #4
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how to change extension-specific handlers for Explorer's Preview Pane?

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