Do you use iCloud? Then you need this, the only tool for managing it properly, investigating its problems, and tacking them.
iCloud Drive
A defining difference between macOS and iOS, the command line depends on constancy of file names, and consistency of paths. iCloud breaks both, as well as Finder aliases.
Illustrated workthrough with Desktop & Documents Folders option turned on, showing file layouts in the GUI and file system. And a new version of Cirrus to do it with.
A detailed look at the presentation of folders and files in the Finder, GUI, Terminal, and FileManager in different iCloud options.
This free tool can now show iCloud files and folders in place, with info about upload/download errors and more. Invaluable for tackling iCloud issues.
Consistency is an overriding design principle for the human interface. However you use iCloud storage, it adopts different behaviours from those of the Finder. Apple needs to evolve the iCloud interface to improve it, and to empower the user.
New version gives control over whether files are stored locally, monitors individual files and folders, runs a test upload, and gives log access for diagnostics.
How to open an iCloud document, when macOS can’t open it until it has been downloaded: the dog really did eat my homework this time.
How the iOS Photos app may save your PNG screenshot images in JPEG format: one mystery solved, another opened.
When you take a screenshot in iOS, it is saved in PNG format. There is no option. So why do mine come across on iCloud Drive as a JPEG?
The Eclectic Light Company 