What To Do If Apple Mail Interrupted Your Mac Shut Down

Apple Mail Interrupted Mac Shut Down

You may not have to reboot your Mac often, but when you do … you want it to just work. Unfortunately, some apps can prevent your Mac from shutting down. One of the biggest culprits is the Apple Mail app. Here’s what you can do when you get the dreaded prompt that Mail interrupted shut down on your Mac.

Mail Got Stuck and Interrupted the Mac Shut Down Process

When you direct your Mac to shut down, it tries to gracefully and cleanly close all of your running apps. Unfortunately, this doesn’t always work out. Apps that have unsaved document changes, like Microsoft Word or Pages, can get in the way.

So, too, can Apple Mail. Unfortunately, Mail gets hung up behind the scenes and can’t just prompt you to save changes. It can have one or more time-consuming threads going on, like syncing with your mail server or indexing your email messages.

When Mail doesn’t close on its own when prompted, it sometimes gets worse. The different threads just keep churning, and your Mac throws you the message “Mail” interrupted shut down.

An Inelegant and Not Entirely Safe Solution

When this happens, the first thing you should do is click the Try Again button. Maybe even try that twice, because your only other recourse can cause mail file corruption. If all else fails, though, you’ll have no choice but to Force Quit the Mail app.

Once again, do this as a last resort, as it could corrupt your mail files.

Time needed: 1 minute

Here’s how to Force Quit Mail when it’s stuck and won’t close on its own.

  1. Click the Apple icon  in the top left of your display.

    Apple Logo in Menu Bar

  2. Click Force Quit.

    Choose Force Quit

  3. In the Force Quit Applications dialog, find and click Mail.

    Highlight and Click Mail

  4. Click the Force Quit button.

    Click Force Quit

  5. On the prompt that appears, click Force Quit.

    Confirm Force Quit

Once done, the Apple Mail app should quit and you should be able to shut down your Mac without further issues.

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