Where to Find This PC Namespace Extensions in Regedit

This article outlines the exact Windows Registry paths where shell namespace extensions for the “This PC” folder (historically known as “My Computer”) are located. You will learn the system-wide, user-specific, and 32-bit compatibility registry keys used by Windows to display custom folders, drives, and cloud storage shortcuts under This PC.

Primary System-Wide Location

The main registry key responsible for displaying shell namespace extensions under “This PC” for all users on the computer is:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace

Each subkey inside the NameSpace key corresponds to a specific Class ID (CLSID) representing an item displayed in the This PC window (such as default folders, removable devices, or third-party cloud services).

User-Specific Location

If a namespace extension is registered only for the currently logged-in user rather than system-wide, it is stored under the following path:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace

Modifications made here will only affect the current user profile without altering the directory layout for other users on the system.

32-Bit Compatibility Location (64-Bit Windows)

On 64-bit installations of Windows, 32-bit applications look for registered shell extensions in a mirrored WOW64 registry path:

HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\MyComputer\NameSpace

Managing Namespace Extensions

• Adding an Item: Create a new subkey inside the NameSpace folder named after the target object’s CLSID (for example, {0DB7E03F-FC29-4DC6-9020-FF41B59E513A} for 3D Objects).
• Removing an Item: Deleting the corresponding CLSID subkey from the NameSpace folder will hide the respective item from appearing inside This PC.