I understand that there are significant privacy concerns and the worry that you could lose access to your files if their systems go down, which is why I have included many of the best cloud ...

As long as a file management system is used rather than a database management system (DBMS), the program that processes the first file structure would have to be changed to process the second.

File Explorer is the default on Windows PCs, but it's not the prettiest app for file management. That title goes to Files, a third-party file explorer available on Windows 11 and Windows 10.