Here are a few tips to make quick work of your Mac “spring cleaning.” Optimize Storage Now is as good a time as any to tidy up your Mac, freeing up storage space and probably CPU cycles and RAM in the process. With so many people working from home lately, the problem has only gotten worse. Old applications you no longer use, data you have no use for, a desktop full of icons (only four of which you actually ever use)…you know what I mean. Over time, your Mac probably accumulates a lot of cruft.