How to Add or Remove Per-directory Case Sensitivity Attribute Context Menu in Windows 10 – Windows Blog by Brink

How to Add or Remove Per-directory Case Sensitivity Attribute Context Menu in Windows 10

If you have used the Windows Subsystem for Linux, you’re probably aware that it allows you to treat your Windows file systems (mounted under /mnt/c, /mnt/d, etc.) as case sensitive. This means, among other things, that you can create files whose names differ only by case (e.g. foo.txt and FOO.TXT).

However, using those files in Windows was not really possible. Since Windows applications treat the file system as case insensitive, they cannot distinguish between files whose names only differ in case. While File Explorer would show both files, only one would be opened regardless of which one you clicked.

Starting with Windows 10 build 17093, Microsoft introduced a new way to handle case sensitive files in Windows: per-directory case sensitivity. Microsoft uses this ability in the Windows Subsystem for Linux to give you better interoperability when using case sensitive files, and you can also use it yourself with regular Windows applications. As of Windows 10 build 17110, this behavior is the default.

This tutorial will show you how to add or remove a Case Sensitivity Attribute context menu for users to be able to query and set the case sensitivity attribute per-directory in Windows 10.

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