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Handle vs OpenedFilesView: catalog facts
Handle	OpenedFilesView
Free Free download from Microsoft Sysinternals.	Free Freeware from NirSoft with no paid tier.
Windows, Command line	Windows
Finds which program has a file locked Covers registry, thread, process and other handle types	Finds which process is locking a file Close handles or processes directly from the list
Command line only; Process Explorer offers a GUI equivalent Requires administrative privileges	Does not work on Windows 10 or 11 with Secure Boot turned on Requires administrator rights
Downloadable app	Downloadable app
Closed source	Closed source
License: Sysinternals EULA	License: Freeware
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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