Copy permissions recursively to all files in a folder

Why this command matters

icacls is the modern NTFS permissions engine in Windows. When you run:

you’re doing three things:

• Targeting a specific folder "C:\Path\To\Folder" tells Windows exactly where to apply the change.

• Granting Full Control (F) is the highest permission level—read, write, modify, delete, change ACLs, everything.

• Applying recursively /T walks the entire directory tree, fixing permissions on every file and subfolder.

This is the kind of operation that Explorer tries to do, but often fails at.

Why icacls beats Windows Explorer

Explorer’s GUI is fine for simple ACL tweaks, but it breaks down fast when you’re dealing with real-world scenarios. Here’s why command-line wins:

1. Explorer can’t override broken or inherited ACLs

If a folder contains files owned by SYSTEM, TrustedInstaller, or another user, Explorer often throws the dreaded:

Failed to enumerate objects in the container.

icacls doesn’t flinch. It applies permissions directly to the ACL entries, even when Explorer refuses.

2. Explorer is painfully slow on large folders

Changing permissions on thousands of files through the GUI is a slog. icacls processes huge directory trees in seconds.

3. Explorer hides the real ACL structure

The GUI shows a simplified view of permissions. icacls shows the raw ACEs—exactly what Windows uses internally.

4. Explorer can’t be automated

If you’re a developer, admin, or consultant, you need repeatable processes. icacls can be scripted, logged, and version-controlled.

5. Explorer doesn’t handle ownership transitions well

If you need to take ownership first, Explorer forces you through multiple dialogs. Command-line gives you:

takeown /F "C:\Path\To\Folder" /R /D Y

followed by your icacls grant—clean, predictable, and fast.

A clean, practical example for your readers

Here’s a workflow that solves 99% of permission problems:

icacls "C:\Path\To\Folder" /grant Steve:(F) /T

Two commands. Full control. No GUI errors. No wasted time.

Why developers and IT pros should prefer icacls

For anyone managing servers, shared drives, or application directories, icacls is simply the right tool:

• Works in scripts

• Works in PowerShell

• Works remotely

• Works even when Explorer fails

• Works consistently across Windows versions

It’s the difference between hoping Windows Explorer will cooperate and knowing your permissions will be applied correctly.