Use Another PDF Reader Program or Re-transfer Files EaseUS data recovery and repair software can scan and repair corrupted PDF documents. Use a file repair tool to fix corrupted or damaged PDF. Repair Your Corrupted PDF Files with a file repair tool Let us know how it goes and share your findings.You can try to fix PDF can't open problem by updating Adobe Reader/Acrobat, disabling the Protected Mode at Startup, or repairing the Adobe PDF reader. What is the version of the Mac OS installed? Are you not able to open all the PDF files or any specific file? Reboot the machine and install the latest version of Adobe Reader from Adobe - Adobe Acrobat Reader DC Distribution If you are not able to launch Adobe Reader, then use Acrobat cleaner tool to remove Adobe Reader Download Adobe Reader and Acrobat Cleaner Tool - Adobe Labs

Navigate to Preferences: Edit>Preferences>General>Uncheck 'Show online Storage when opening files' and 'Show online storage when saving files'.

Navigate to Preferences: Edit>Preferences>Page Display>Page Content and Information>Select large images.

Try resetting Adobe Reader's Preferences once and reboot the machine, to reset the Preferences, please refer to the steps mentioned in the article How to reset Acrobat Preference settings to default.Īlso, try the following steps and see if this brings any difference: Is Adobe Reader is crashing or freezing while you open a PDF file? Are you able to launch Adobe Reader? You may also refer and try the troubleshooting steps from the following Adobe article Can't open PDF Please try opening PDF file with Adobe Reader from Window>Cascade>Tile and see if that brings up the PDFs. We apologize for the inconvenience caused, as per the description above, you are not able to open PDF files on Mac machine using Adobe Reader, Is that correct?

Update adobe reader on mac