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

Ask a question

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".

Jean-François Pillou

CCM is a leading international tech website. Our content is written in collaboration with IT experts, under the direction of Jeff Pillou, founder of CCM.net. CCM reaches more than 50 million unique visitors per month and is available in 11 languages.

Learn more about the CCM team