Mission Control is a tool that I use every day on my Mac to quickly locate open app windows. In my opinion, though, finding a specific window in the Mission Control view can be a challenge if you have many app windows open at once.
The good news is that it’s easy to group like applications while using Mission Control. More importantly, enabling grouping places the relevant app icon near groups and single windows. Having an app icon displayed makes it even easier to identify a particular app window while using Mission Control.
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How to enable Mission Control window grouping
Step 1: Open System Preferences → Mission Control.
Step 2: Click the check box next to Group windows by application.
Step 3: Invoke Mission Control.
With grouping enabled, not only are app windows grouped together, but each window now features an app icon for quick identification. Not everyone will appreciate having grouped windows in Mission Control, but I largely prefer it to using non-grouped windows. Watch the video below as I compare Mission Control before and after enabling grouping.