How to Close all the Open Windows at Once on the Mac

As you continue to open multiple windows on your Mac, you may begin to lose visibility of important windows or files. Although the Spaces applications can help you sort your application windows by separating them into different screens, you can also simply close out all of your windows and start fresh. Be sure to save any document or email you are currently using before closing out, as you may lose your unsaved work.

Apple Overtakes Google As World's Most Valuable Brand
credit: Justin Sullivan/Getty Images News/Getty Images

Step

Save your work. Click "File" at the top of the screen and select "Save" from the drop-down menu.

Step

Close email drafts. Click the "Save as Draft" button the "New Message" window in Apple Mail.

Step

Press and release "Option," "Command" and "W" key simultaneously. This closes all of the open windows in the application you are currently using.

Step

Press and release "Command" and "Q."

Step

Click the "Apple" icon at the top of the screen, and click "Force Quit" from the drop-down menu. Click the application you wish to close, and click the "Force Quit" button. This should be used only if the application becomes unresponsive.