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Mail quit unexpectedly and now won't open

my mail quit unexpectedly and won't open . How can i reset it.


[Re-Titled by Moderator]


Posted on Dec 10, 2020 9:06 AM

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Question marked as Top-ranking reply

Posted on Dec 11, 2020 4:48 AM

Press and hold a Shift key while launching Mail from Applications or the Dock. Release the Shift key when Mail opens. That action causes the Mail app to open with no message selected.


If the problem returns proceed as follows.


Open (Apple menu) > System Preferences... > Internet Accounts and remove your email account. Then, add that email account again. Those steps are described in Add or remove email accounts in Mail on Mac - Apple Support. Follow them in reverse order—in other words remove, and then add that same account.


If you have more than one email service provider, remove them one at a time. Launch Mail after each account removal, to determine if you removed an affected account.


After you isolate the affected account, use its webmail interface to find and delete the message(s) causing Mail to crash. That may take some time depending on the number of email messages you have chosen to retain.


Once the problematic messages are deleted, only then should you add that account to Mail again. That action causes Mail to synchronize with that email service.

1 reply
Question marked as Top-ranking reply

Dec 11, 2020 4:48 AM in response to maire64

Press and hold a Shift key while launching Mail from Applications or the Dock. Release the Shift key when Mail opens. That action causes the Mail app to open with no message selected.


If the problem returns proceed as follows.


Open (Apple menu) > System Preferences... > Internet Accounts and remove your email account. Then, add that email account again. Those steps are described in Add or remove email accounts in Mail on Mac - Apple Support. Follow them in reverse order—in other words remove, and then add that same account.


If you have more than one email service provider, remove them one at a time. Launch Mail after each account removal, to determine if you removed an affected account.


After you isolate the affected account, use its webmail interface to find and delete the message(s) causing Mail to crash. That may take some time depending on the number of email messages you have chosen to retain.


Once the problematic messages are deleted, only then should you add that account to Mail again. That action causes Mail to synchronize with that email service.

Mail quit unexpectedly and now won't open

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