Often that’s because they have their own implementation of full-screen mode, or because they keep toolbars and palettes separate from document windows. How to turn on full screen modeĮven now, several years after it was introduced, not all apps fully support full screen mode. And, just as importantly, learn how to exit full screen mode. However, it definitely helps if you learn those gestures, along with the keyboard commands and other methods of using full screen mode on Mac. Thanks to Apple’s clever implementation of features like Mission Control and gestures, using full screen mode is very easy. The app you’re working in takes over the whole screen and both the Dock and the menu bar slide out of view - although to get them back all you have to do is move the pointer to the bottom or top of the screen. If you use a MacBook without an external display, full-screen mode is brilliant because it allows you to fill the whole screen with the app or document you’re working in, while making it easy to switch between different screens to move between apps or windows. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.