Known folder identifier keys
A known folder identifier is a GUID that identifies a system folder. It was introduced in Windows Vista to replace the constant special item identifier list (CSIDL).
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Explorer\FolderDescriptions
Values:
| Name | Data type | Description |
|---|---|---|
| Attributes | REG_DWORD | |
| Category | REG_DWORD | |
| Name | REG_SZ | Name of the known folder |
| LocalizedName | REG_EXPAND_SZ | Localized name of the known folder |
| ParentFolder | REG_SZ | Path of the parent directory known folder, can contain a known folder identifier |
| PreCreate | REG_DWORD | |
| RelativePath | REG_SZ | Relative path of the known folder |
LocalizedName value data
The LocalizedName value contains a localized version of the folder name, e.g. on Windows XP the folder identifier key:
HKEY_CLASSES_ROOT\CLSID\{450d8fba-ad25-11d0-98a8-0800361b1103}
Has a LocalizedString value with the following data:
@%SystemRoot%\system32\SHELL32.dll,-9227
Which is the MUI Form for “My Documents”.