Enable thumbnail preview of PDFs in Windows Explorer

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The PDF Shell component in Acrobat and Acrobat Reader allows you to see the thumbnails of PDF documents in Windows explorer, on both 64-bit and 32-bit versions of Windows. By default, this feature is OFF. You can enable it using a specific setting available in the preferences.



  • Open Acrobat or Acrobat Reader. On the Edit menu, choose Preferences.
  • In the Preferences dialog box, choose General in the Categories list, and then select the Set As Default PDF Handler button.
  • You will be prompted for confirmation.
  • Wait for a few seconds while Acrobat is configured to show thumbnail previews in Windows Explorer.

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