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iCloud Drive
iCloud Drive Setup
System Settings > [Your Name] > iCloud > iCloud Drive
Enable Desktop & Documents Folders if you want these synced to iCloud (and accessible from iCloud.com, iPhone, iPad).
Files On-Demand (Optimize Mac Storage)
System Settings > [Your Name] > iCloud > iCloud Drive > Optimize Mac Storage
When enabled, older files become online-only and download on demand: same concept as OneDrive.
Accessing iCloud Drive
- Finder sidebar: iCloud Drive appears under your name
- Terminal:
cd ~/Library/Mobile\ Documents/com~apple~CloudDocs/ - iCloud.com: access from any browser (including on Windows)