Mac Mail App Keeps Crashing. After installing the last public beta of macos high sierra, the mail app cannot launch for more than a few seconds before crashing. If so, let's fix these mail issues. Choose the mail app and then click “offload app.” to reinstall, go to the same spot and this time choose “reinstall app.” reboot just the app for mail.
If this doesn’t do the trick, the next step to try is to force the mail app to start over. But do not worry, your mails will not be removed from google’s servers, you can still access your mails via gmail.com web site.
This even happens when i perform the delete action from a mobile device;
Apple mail app keeps crashing after mac os high sierra upgrade. Please try each step below one at a time. Mail crashing or stuck on macos catalina. Click each of your accounts on the left side of the accounts window, then uncheck the box next to enable this account. disable all of your mail accounts.