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Disk Usage (DU) vs Folder Size: catalog facts
Disk Usage (DU)	Folder Size
Free Free download from Microsoft.	Freemium Free to use, with a paid registered edition available.
Windows, Command line	Windows
Small standalone executable with no installer Scriptable output for reports	Bar and pie charts of disk usage Works on network shares and NAS devices
Command-line only, no visual breakdown Windows only	Windows only Some functions tied to the paid registered edition
Downloadable app	Downloadable app
Closed source	Closed source
License: Proprietary	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.