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OpenedFilesView vs Task Manager DeLuxe: catalog facts
OpenedFilesView	Task Manager DeLuxe
Free Freeware from NirSoft with no paid tier.	Free Offered as a direct download from MiTeC with no price listed.
Windows	Windows
Finds which process is locking a file Close handles or processes directly from the list	Portable, no installation needed Network connections and traffic shown per process
Does not work on Windows 10 or 11 with Secure Boot turned on Requires administrator rights	Windows only Closed source
Downloadable app	Downloadable app
Closed source	Closed source
License: Freeware	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 24, 2026

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