Further, these users need the cleaning platform to be neutral about storage: Apple obviously pushes its own paid cloud storage. Most Mac owners need a cleaning software program that does more than just optimizing storage. While this is an amazing thing to have built-in, it doesn't quite get the job done for many heavy Mac users. Files that you've used recently remain on your Mac, along with optimized versions of your photos. Each file stays right where you last saved it and downloads when you open it.
When storage space is needed, files, photos, movies, email attachments, and other files that you seldom use are stored in the cloud automatically.
Optimized storage in macOS Sierra and later can save space by storing your content in the cloud and making it available on demand. Starting with macOS Sierra, Apple offers Optimized Storage: Do You Need Mac Cleaning Software? And Which One is Best? Built-in Mac Cleaning
