Getting started · Finding your way around
What do Last clean-up and Next clean-up on the Home screen mean?
Short answer: Last clean-up shows when the latest clean-up ran (click to see what happened); Next clean-up shows when the next scheduled one is due (click to change the schedule in Quiet Hours).
They're at-a-glance tiles on the Home screen. Last clean-up shows when the most recent clean-up ran — click it to see what happened. Next clean-up shows when the next scheduled one is due — click it to change the schedule in Quiet Hours.
Nearby tiles show your automatic rules, such as Auto rules, which opens the rules Storage Studio has fitted to your Mac. To see the history of every background job, open More → Background Activity….