Shell folders

Shell Folder identifiers are class identifiers with Shell Folder sub key. In the Windows Registry Some Class identifiers (CLSID) have a ShellFolder sub key for example:

HKEY_LOCAL_MACHINE\Software\CLSID\{%GUID%}\ShellFolder

Where {%GUID%} is a GUID in the form: {00000000-0000-0000-0000-000000000000}.

A shell folder can be system or user specific.

System shell folders:

HKEY_CURRENT_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
HKEY_CURRENT_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
HKEY_CURRENT_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders\Backup

WoW64 (Windows 32-bit on Windows 64-bit) system shell folders:

HKEY_CURRENT_MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
HKEY_CURRENT_MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
HKEY_CURRENT_MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders\Backup

Per-user shell folders:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders

Values:

Name	Data type	Description
%NAME%	REG_SZ or REG_EXPAND_SZ	Path to the corresponding directory