The default Size mode is Size on Disk: each file is shown by its physical size. This means that the total size is less or equal to the disk capacity. On the other hand, changing the Size mode to Size shows each file by its virtual size: some files may have a very large virtual…

Cloud services make use of Apple’s File Provider framework to integrate their files with the Finder (on macOS) or the Files app (on iOS). While the framework technically allows a user to select the cloud service root in an open panel or file importer, the cloud service may not support it. For example, pCloud doesn’t…

To show the occupied size as well as the free size in the graph for a scanned volume, enable the option Show available size in the View menu. The option can only be enabled when the Size mode is set to Size on Disk.

During the scan you may get dialogs asking whether you want to grant access to specific data, such as Calendar, Contacts, Reminders, and various directories like Desktop, Documents and Downloads. These dialogs are shown by macOS when an app tries to access that data. Disk Graph only tries to access files and directories inside the…

When scanning a root drive that indicates the total number of files it contains, such as Macintosh HD, Disk Graph shows a completion percentage indicating the estimated number of files that still need to be scanned. Sometimes the percentage can appear to change very slowly. This can happen when the scan encounters certain system directories…