Mac guide

Every Mission Control setting on Mac, explained

There are exactly six Mission Control settings buried inside System Settings. At least three of them ship with the wrong default for anyone who actually uses multiple desktops. Here's what each one does, and whether you should turn it on or off.

May 2026

Where to find them

Open System Settings, scroll down to Desktop & Dock, then scroll way down past the Dock settings until you see the Mission Control section. It's easy to miss because Apple buried it under a bunch of Dock preferences that have nothing to do with Spaces.

You'll see four toggles and two dropdown menus. Let's go through all six.

1. Automatically rearrange Spaces based on most recent use

Turn this off.

When this is on, macOS watches which desktops you visit and silently reorders them. If you spend the morning on Desktop 4, macOS might move it to position 2 by the afternoon. Your muscle memory for Ctrl+3 going to a specific project? Gone. The desktop you swiped to five minutes ago is now somewhere else.

This is the single biggest reason people try Spaces and give up. They set up four desktops, assign each one a purpose, and then the order keeps changing underneath them. It feels like Spaces are broken. They're not. This setting is just on by default.

With it off, Desktop 1 stays Desktop 1. Desktop 4 stays Desktop 4. You can build reliable habits around keyboard shortcuts, and your spatial memory of "the design project is two swipes to the right" actually holds up.

2. When switching to an application, switch to a Space with open windows

Turn this off.

Here's what happens with this on. You're on Desktop 3 working in a browser. You click Slack in the Dock. Instead of opening Slack on Desktop 3, macOS teleports you to Desktop 1 because that's where a Slack window happens to be open. You didn't ask to switch desktops. You just wanted Slack.

It gets worse with apps you use on multiple Spaces. Say you have Chrome windows on three different desktops. Cmd+Tab to Chrome and macOS picks one of those desktops for you. Which one? Whichever it feels like. You lose your place constantly.

With it off, clicking an app in the Dock opens it on your current Space. If that app already has a window on the current Space, it comes to the front. If not, a new window opens. You stay where you are. That's almost always what you want.

3. Group windows by application

Personal preference. Try both.

This only affects what you see when you open Mission Control (three-finger swipe up or F3). When it's on, all windows from the same app stack together. So your four Chrome windows become one pile labeled "Google Chrome," and you click the pile to fan them out.

When it's off, every window shows individually in Mission Control. You can see all of them at once and click the exact one you need.

If you keep lots of windows open on a single Space, grouping reduces clutter. The trade-off is that it adds an extra click to reach a specific window. If you only have a handful of windows per Space, turning it off is faster because you see everything immediately.

I keep it off. My Spaces are already organized by project, so each one only has a few windows. Grouping would just add an unnecessary step.

4. Displays have separate Spaces

Depends on your monitor setup.

This one matters if you use an external monitor. When it's on, each display gets its own independent set of Spaces. You can be on Desktop 1 on your laptop while your external monitor shows Desktop 3. Swiping on one screen doesn't affect the other. Each monitor has its own menu bar.

When it's off, your displays are linked. Switching from Desktop 1 to Desktop 2 switches both screens at once. You also lose the ability to have separate menu bars, and full-screen apps behave differently. The upside is that your desktop arrangement always moves as a unit, which some people find less disorienting.

Most people with a single external monitor are fine with it on. If you run three monitors and find it chaotic, try turning it off. There's no universally correct answer here.

5. Mission Control shortcut

The dropdown next to "Mission Control" lets you assign a keyboard shortcut to open Mission Control. The default is Ctrl+Up Arrow. You can also change it to a function key or disable it entirely.

Honestly, the default is fine. Three-finger swipe up does the same thing and feels more natural on a laptop. The keyboard shortcut is mainly useful if you work with an external keyboard that doesn't have a trackpad nearby.

What's more useful is setting up shortcuts to jump directly to specific desktops. Those aren't here though. You'll find them in System Settings → Keyboard → Keyboard Shortcuts → Mission Control, where you can enable Ctrl+1 through Ctrl+9 to jump straight to a numbered desktop. If you haven't set those up yet, do it now. It completely changes how fast you can move between Spaces.

If you use SpaceJump, there's also a Quick Switcher that lets you jump to a Space by typing its name instead of remembering numbers. Useful once you get past four or five desktops and the numbers start blurring together.

6. Hot Corners

At the bottom of the Mission Control settings, there's a "Hot Corners..." button. This lets you trigger actions by shoving your cursor into a corner of the screen. You can set any corner to open Mission Control, show the desktop, start a screen saver, lock the screen, or a few other things.

Some people love these. I accidentally trigger them too often, so I leave all four corners set to nothing. If you want to use one, a common setup is bottom-right corner for "Quick Note" and top-left for Mission Control.

One tip if you like Hot Corners but hate accidental triggers: hold a modifier key (like Cmd) while setting up the corner. Then it only activates when you push the cursor to the corner while holding that key. Click the dropdown while pressing Cmd, and you'll see the options change to include the modifier.

The settings that actually matter

If you read all of that and just want the short version: turn off auto-rearrange, turn off the application switching behavior, and set up Ctrl+number shortcuts. Those three changes fix about 90% of the frustration people have with Spaces on Mac.

The rest depends on your setup. Try grouping on and off for a day each. Same with separate displays if you have a monitor. Hot Corners are take-it-or-leave-it. But those first two toggles? Not optional. Turn them off.

Naming your Spaces helps too

Once your Spaces stay in a fixed order, you'll probably want to label them. macOS doesn't let you rename desktops natively. They're just "Desktop 1" through "Desktop 16."

SpaceJump adds names and colors to each Space in your menu bar. It also shows the name in Mission Control, so when you're looking at that strip of tiny desktops across the top of the screen you can actually tell which is which.

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