Understanding iCloud Drive and the Optimize Mac Storage Option (#1627)

https://macmost.com/e-1627 When you use iCloud Drive, your files are stored on your Mac, Apple's iCloud Drive server, and also any other Macs using iCloud Drive with your Apple ID. When you save or modify a new file, it is automatically mirrored on the server and your other Macs. If you wish to save storage space on a Mac, you can turn on the Optimize Mac Storage option to have some files automatically offloaded from that Mac, even though they will still be represented by an icon and can be reloaded by simply attempting to access the file.
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