Mail Won’t Open On Mac

The Mail app on a Mac system will allow you to add any email account to it, and you can easily access them instead of using the webmail. You will be able to add your Gmail, Yahoo, Outlook, and other emails to Mac Mail. Now, you might be facing some trouble with accessing the Mail app on your Mac computer. The problem could mainly be due to the version update of your Mac OS. You do not need to worry. We have a number of solutions that can assist you in resolving the mail won’t open on Mac problem.

Method 1: Open the Mail app from the Applications folder

If you are unable to launch the Mail app from the Dock, you can open the Applications folder.

  • Step 1:To open the Applications folder, click the Finder icon and select Applications from the left pane of the Finder folder.
  • Step 2:Click the Mail app from the Applications folder.
  • Step 3:If the Mail app opens, you can remove the Mail app from the Dock.
  • Step 4:Once the Mail app is open, you can see the icon on the right side of the Dock.
  • Step 5:You can just click and drag the Mail app back to the Dock.

Method 2: Restart

Usually, restarting the Mac can be the answer to most of your problems.

  • Step 1:To restart, you will just have to click the Apple logo on the top left corner of your Mac screen and select the Restart option to solve mail won’t open on Mac issue.
  • Step 2:Click the Restart button to confirm the selection.
  • Step 3:You Mac will take a couple of minutes to restart.
  • Step 4:After the restart, open the Mail App from the Dock or from the Applications folder to see if it opens.

Method 3: Force Quit

There are times when you will see your Mail app being unresponsive. At times like this, you have only one solution.

  • Step 1:When you find your Mail app frozen or unresponsive and cannot open any mail, simply navigate the cursor to the Dock section.
  • Step 2:Right-click on the Mail app and select the Quit option from the list.
  • Step 3:If the Mail App is still unresponsive and won’t quit despite the Force Quit option, there is one other way.
  • Step 4:Open the Spotlight search (Command button + Space bar) and type Activity Monitor.
  • Step 5:The Activity Monitor will now open. Make sure the CPU tab is selected.
  • Step 6:Click on the Mail App in the list and select the Quit button to quit the Mail App to solve mail won’t open on Mac issue.
  • Step 7:Click the Force Quit button to confirm.

Method 4: Delete State Files

Deleting state files is almost similar to deleting cache on your Windows web browser. Follow the steps as described below to delete the files.

  • Step 1:Open the Finder app.
  • Step 2:Click the Go tab from the Menu bar and select the Library option.
  • Step 3:Click the arrow mark next to the Library section, select the Containers option, and select the file named com.apple.mail.
  • Step 4:Click on the Data folder and select the Library to resolve mail won’t open on Mac issue.
  • Step 5:Click the Saved Application State folder and select the folder com.apple.mail.savedstate.
  • Step 6:Right-click on the com.apple.mail.savedstate and select the option Move to Trash.
  • Step 7:Click the Go tab located in the Menu bar.
  • Step 8:Open Library, select the folders com.apple.mail and com.apple.MailServiceAgent, and move it to the desktop.
  • Step 9:Now restart the computer, click the Apple logo on the top left corner of the screen, and click the Restart option.
  • Step 10:Once the Mac reboots, open the Mail app to see if it works.
  • Step 11:The Mail app will probably work fine. Now, move the two folders in the desktop to the Trash (Bottom right corner of the Mac screen).

Following either of these methods would make sure to solve mail won’t open on Mac and to ensure that the Mail app works fine on your Mac.