Direct answer
The short version
Use Mission Control to see open windows across the current desktop and navigate Spaces or full-screen contexts. Use App Exposé to show windows belonging to one application. Choose Mission Control when the app or Space is uncertain and App Exposé when the app is known but its window is not.
Key takeaways
- Mission Control provides the broad visual overview and exposes the Spaces bar.
- App Exposé narrows visual selection to windows from one application.
- Control-Up Arrow and Control-Down Arrow are Apple’s documented defaults, but shortcuts and gestures can be customized.
- Neither view exposes every browser tab, editor file, or other state nested inside a window.
Choose the smallest visual scope that contains the target
Mission Control arranges open windows in a single visual layer and shows Spaces along the top. This is useful when the target may belong to another app, full-screen context, or desktop.
App Exposé shows windows for the current app, or for another app through its Dock menu. Removing unrelated windows makes recognition faster when you already know the application.
- Unknown app or Space: Mission Control.
- Known app, unknown window: App Exposé.
- Known titled window: the app’s Window menu may be faster.
- Nearby same-app window: keyboard window cycling may be faster.
- Hidden tab or file: use app-specific search after selecting the window.
Account for gestures, displays, and settings
Apple documents Control-Up Arrow or the Mission Control key for the broad overview and Control-Down Arrow for the current app’s windows. Trackpad and mouse gestures can be enabled, disabled, or changed, so a gesture tutorial may not match every Mac.
On multiple displays, Mission Control behavior depends on which display is active and whether displays use separate Spaces. Treat the Spaces bar and current pointer location as part of the retrieval context.
Identify the scope
Decide whether the target app is known.
Open the narrowest overview
Use App Exposé for one app or Mission Control for the desktop and Spaces.
Continue inside the app
Select the correct tab, file, folder, or document after choosing the window.
Know when visual recognition is the wrong retrieval cue
Two browser or document windows may look nearly identical at thumbnail size. The desired state may also be hidden behind a tab. When you remember a title, use a menu or search. When you remember only that it was recent, use chronology.
ReturnFast complements both views with cross-app Back. App Exposé and Mission Control remain better for direct visual jumps; ReturnFast is better for retracing an interruption without identifying the destination first.
If the window no longer exists, switch from selection to recovery. Use recently closed tabs, document history, saved workspaces, source control, or backups as appropriate.
Further reading and product details
Frequently asked questions
What is the difference between Mission Control and App Exposé?
Mission Control shows a broad overview of open windows and Spaces. App Exposé focuses on windows belonging to one application.
What are the default Mission Control and App Exposé shortcuts?
Apple currently documents Control-Up Arrow for Mission Control and Control-Down Arrow for the current app’s windows. Keyboard and gesture settings can be customized.
Why can’t I see a browser tab in either overview?
The overviews operate primarily at the window level. Browser tabs are nested inside a browser window and need browser-native selection.