Mar 29, 2018 Please try the steps below if you are having problems with the iOS Mail app if it keeps crashing, hangs and stops working, or if it won’t open at all: Repair Mail if it crashes or won’t open 1-It is possible that your iPhone or iPad may have run out of memory, and can’t start the Mail app.
To quit (close) a Mac app normally, choose Quit from the app's menu in the menu bar, or press Command (⌘)-Q. If the app doesn't quit, follow these steps to force the app to quit.
Why Won't My Mail App Quit On My Mac
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How to force an app to quit
- Press these three keys together: Option, Command, and Esc (Escape). This is similar to pressing Control-Alt-Delete on a PC. Or choose Force Quit from the Apple () menu in the upper-left corner of your screen.
- Select the app in the Force Quit window, then click Force Quit.
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Why Won't My Mail App Close On My Mac Computer
- You can also force the Finder to quit, if it stops responding. Select Finder in the Force Quit window, then click Relaunch.
- If none of your apps are responding, you can force your Mac to restart.
- You can also force an app to close on your iPhone, iPad, or iPod touch.