Disk Usage Analyzer Introduction — Disk Usage Analyzer is an application which shows you your use of storage space using graphs. Scan Scan a folder — Scan a local folder, including all subfolders. Scan a remote folder — Scan a folder remotely from your computer. Scan the file system — Scan your internal storage devices. Scan your Home folder — Scan all of your personal files that are on your computer. Preferences Different chart views — Display the results as a ring chart or a treemap chart. Common problems and questions Error when scanning — I see a Could not scan /… or some of the folders it contains error message when scanning. How do I delete a folder? — Move unwanted folders to Trash. How do I open a folder? — Open a folder in a file browser such as Files. Scanning is slow — Scanning a folder or a remote location is slow.