PDF Thumbnail preview using Acrobat Reader DC

If you do not see PDF file thumbnail previews at a Microsoft Windows Explorer window, then you also won't be able to see PDF documents thumbnail previews at QuoteCAD Manufacturing.
To enabled this feature, launch Acrobat Reader DC, navigate to Edit > Preferences > General.
Check the option labeled Enable PDF thumbnail previews in Windows Explorer. Click OK button to save the change.

For additional information, please review Adobe support information at:
https://helpx.adobe.com/acrobat/using/e ... lorer.html