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Mail application won't open

I have tried many different options hoping to reboot my mail app. It won't even launch and I am not entirely sure what I have done to make it stop working.

MacBook Air 13", OS X 10.10

Posted on May 20, 2019 3:57 PM

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Question marked as Best reply

Posted on May 20, 2019 5:40 PM

You have tried opening it from the Applications folder? Have you tried opening it with the shift key held down?


Try setting up another admin user account to see if the same problem continues. Please post back on whether or not this worked. Also try the Safe Mode. Please post back on whether or not this worked.


Isolating an issue by using another user account 


Safe Mode - About


If it works in the Safe Mode, try running this program when booted normally and then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor.  Please use copy and paste as screen shots can be hard to read. Click “Share Report” button in the toolbar, select “Copy to Clipboard” and then paste into a reply. This will show what is running on your computer. No personal information is shown. If the log won’t post, try posting it in Pastebin and provide a link in a reply        Pastebin


Etrecheck – System Information

1 reply
Question marked as Best reply

May 20, 2019 5:40 PM in response to l_ackers

You have tried opening it from the Applications folder? Have you tried opening it with the shift key held down?


Try setting up another admin user account to see if the same problem continues. Please post back on whether or not this worked. Also try the Safe Mode. Please post back on whether or not this worked.


Isolating an issue by using another user account 


Safe Mode - About


If it works in the Safe Mode, try running this program when booted normally and then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor.  Please use copy and paste as screen shots can be hard to read. Click “Share Report” button in the toolbar, select “Copy to Clipboard” and then paste into a reply. This will show what is running on your computer. No personal information is shown. If the log won’t post, try posting it in Pastebin and provide a link in a reply        Pastebin


Etrecheck – System Information

Mail application won't open

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