Apple Mail is an in-built app on your Mac device that works as an email client. Using the Apple Mail, you can send or receive emails from the configured email accounts. If you aren't able to open the Mail app, follow the below-mentioned troubleshooting steps to fix the mail not opening on Mac problem.
- Step 1:On your Mac, verify whether you have the Mail app in the Applications folder.
- Step 2:Open Finder and select the Applications option from the drop-down menu.
- Step 3:Navigate to the left-side panel and give a double-click on the Mail app.
- Step 4:If the Mail app fails to open, move on to the next solution.
- Step 1:If your Mail preferences have been corrupted, deleting them might fix the startup problem.
- Step 2:First, reboot your Mac and do not attempt to open the Mail app.
- Step 3:Open Finder and select your User Name folder.
- Step 4:Give a double-click on the Library folder and select Preferences to resolve mail not opening on Mac problem.
- Step 5:Select the "com.apple.mail.plist" files and move them to Trash.
- Step 6:Close the window and give a right-click on the Trash icon near the Dock.
- Step 7:Select the Empty Trash option.
- Step 8:Now, check if you could open the Mail app.
- Step 1:If you are using macOS Mojave or later, click the Apple menu at the top-left corner of the screen.
- Step 2:Select the System Preferences option from the drop-down menu.
- Step 3:Next, click the Software Update button to check for updates to avoid mail not opening on Mac issue.
- Step 4:In the Software Update window, click the "Update Now" button (if updates are available).
- Step 5:Otherwise, click the More info link and select the specific update to install it.
- Step 6:If the Software Update window displays that the Mac is up to date, then the installed version of macOS is up to date.
- Step 7:If you wish to update the available macOS updates automatically on your Mac, check the Automatically keep my Mac up to date checkbox.
- Step 8:If you are using earlier macOS versions, open the Apple Store app and click the Updates tab.
- Step 9:Click the Update All button to install the latest version of the macOS as well as the installed apps.
- Step 10:To install the available updates on your Mac automatically, select the Download newly available updates in the background option in the Apple App Store app.
- Step 11:After completing the update for resolving mail not opening on Mac issue, reboot your Mac and check if you could open the Mail app.