Adobe Reader - Prevent the opening of non-PDF files attachments with external applications

December 2016


Adobe Reader - Prevent the opening of non-PDF files attachments with external applications





To prevent the opening of non-PDF files attachments under Adobe Reader, follow the below procedure:
  • Open Adobe Reader.
  • Click on the Edit menu > Preferences.
  • Scroll to the Trust Manager Section
  • In the right pane, simply uncheck "Allow opening of non-PDF file attachments with external applications".


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