The fastest way to force close an app on Mac

Press Command + Option + Esc to open the Force Quit Applications window. Click the app you want to close, then click the Force Quit button. The app will shut down immediately, even if it's frozen or not responding.

This keyboard shortcut works on any Mac running macOS and is faster than using the menu. The window stays open until you close it, so you can force quit multiple apps in one go if needed.

If the keyboard shortcut doesn't work — for example, if your Mac is severely frozen — you can also reach this same window through the Apple menu: click the Apple icon in the top-left corner, then select Force Quit.

Key Takeaways

  • Command + Option + Esc opens the Force Quit window on any Mac, where you select the app and click Force Quit to close it immediately.
  • Force quitting an app closes it without saving, so unsaved work in that app will be lost.
  • If an app is frozen and won't respond to clicks or keyboard commands, force quitting is often the only way to close it without restarting your Mac.
  • Activity Monitor is an alternative method that gives you more detail about what each app is doing, though the keyboard shortcut is faster for most situations.

What happens when you force close an app

Force closing an app shuts it down without going through the normal shutdown process. This means the app does not get a chance to save your work, close files properly, or clean up temporary data. Any unsaved changes in that app will be lost.

Your Mac itself is not affected by force closing a single app. Other apps keep running, and your system remains stable. Force quitting is safe to do and does not damage your Mac or its files — it only affects the app being closed.

After you force close an app, you can open it again normally. The app will start fresh the next time you launch it.

Using Activity Monitor as an alternative

Activity Monitor is a built-in Mac tool that shows you every app and process running on your computer. You can use it to force close apps, and it also shows you how much memory and CPU each app is using — useful if you want to see why an app is frozen or slow.

To use Activity Monitor, open Spotlight by pressing Command + Space, type "Activity Monitor," and press Enter. Find the app you want to close in the list, click it, then click the X button in the top-left corner of the window. A dialog will ask you to confirm; click Force Quit.

Activity Monitor takes a few more steps than the keyboard shortcut, but it's helpful if you want to see what's running on your Mac or if you need to close a process that doesn't appear in the Force Quit window.

When to force close instead of using the normal quit command

Use the normal quit command (Command + Q) when an app is working normally. This lets the app save your work and shut down cleanly. Force quit only when an app stops responding to clicks, keyboard input, or the normal quit command.

Signs that an app is frozen and needs force quitting include a spinning wheel that doesn't stop, buttons that don't respond when you click them, or a window that won't move or resize. If you can still use the app normally, use Command + Q instead.

Force quitting is also useful if an app is using so much CPU or memory that your entire Mac is running slowly. Closing the problem app can restore your Mac's speed.

Restarting your Mac if force quit doesn't work

In rare cases, an app is so frozen that even force quitting doesn't work, or the Force Quit window itself won't open. If this happens, restarting your Mac is the next step. Press and hold the power button on your Mac for about 10 seconds until the screen goes black, then wait a few seconds and press the power button again to turn it back on.

On newer Macs with the Apple silicon chip (M1, M2, M3, and later), holding the power button will show a shutdown menu. Click Restart to reboot your Mac.

Restarting closes all running apps and clears temporary data from memory, which often fixes problems that force quitting alone cannot solve.

Preventing apps from freezing in the first place

Keep your Mac and your apps up to date. Apple releases updates to macOS regularly, and app developers release updates through the App Store or their own websites. Updates often fix bugs that cause apps to freeze.

Close apps you're not using to free up memory. If your Mac is running many apps at once, some may slow down or freeze. Check Activity Monitor to see which apps are using the most memory, and close the ones you don't need right now.

Restart your Mac regularly. A restart clears temporary files and resets memory, which can prevent apps from becoming unstable over time. Most people should restart at least once a week.

Frequently Asked Questions

Will force closing an app damage my Mac?

No. Force closing an app only shuts down that one program. Your Mac's operating system and other apps are not affected. The only downside is that unsaved work in the closed app will be lost.

What's the difference between force quit and restart?

Force quit closes one frozen app while keeping your Mac and other apps running. Restart shuts down your entire Mac and turns it back on, closing all apps and clearing memory. Use force quit first; restart only if force quit doesn't work.

Can I force close the Finder or system apps?

You can force close most system apps like Mail or Safari. However, force closing Finder (the app that shows your desktop and files) may cause unexpected behavior. If Finder freezes, restart your Mac instead of force quitting it.

Why does an app keep freezing even after I force close it?

If an app freezes repeatedly, the problem is usually with the app itself, not your Mac. Try updating the app to the latest version, or uninstall and reinstall it. If the problem continues, contact the app's developer or look for a newer app that does the same thing.