This article explains how to manage large "System Data" storage on a Mac. It starts by defining System Data as temporary files, caches, logs, and backups crucial for Mac operation but often consuming excessive space. The article then details how to check System Data usage in different macOS versions (Ventura and later, vs. Monterey and earlier). It notes that the category is called "Other" in older versions.
The article discusses typical System Data size (12-20GB for newer macOS versions, up to 30GB for older ones) and reasons for its growth (updates, app installations, cached files). It then presents several solutions:
~/Library/Caches
folder. Users are cautioned to exercise care.~/Library/Logs
, again emphasizing caution.tmutil listbackups
and sudo tmutil delete
) are given for removing old Time Machine backups. Caution is advised to avoid deleting needed backups.The article concludes by mentioning NovaBench for performance testing and Setapp, a subscription service offering the mentioned apps (CleanMyMac, CloudMounter). It emphasizes the importance of freeing up space and maintaining optimal Mac performance. A table summarizing the solutions is included at the beginning.
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