I stumbled upon this reg key a few weeks ago. If you want to change the default folder view for all users on the local machine use HKEY_LOCAL_MACHINE. If you want to change it for a single user then use HKEY_CURRENT_USER.
Windows Registry Editor Version 5.00
[-HKEY_CURRENT_USER\Software\Microsoft\Windows\ShellNoRoam\Bags]
[-HKEY_CURRENT_USER\Software\Microsoft\Windows\ShellNoRoam\BagMRU]
[-HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\Bags]
[-HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\BagMRU]
[HKEY_CURRENT_USER\Software\Microsoft\Windows\ShellNoRoam\Bags\AllFolders\Shell]
“WFlags”=dword:00000000
“Status”=dword:00000000
“Mode”=dword:00000004
“vid”=”{137E7700-3573-11CF-AE69-08002B2E1262}”
[HKEY_CURRENT_USER\Software\Microsoft\Windows\Shell\Bags\AllFolders\Shell]
“WFlags”=dword:00000000
“Status”=dword:00000000
“Mode”=dword:00000004
“vid”=”{137E7700-3573-11CF-AE69-08002B2E1262}”
Here are all of the possible “mode” and “vid” values that can be set:
| Name | Mode | VID |
| Icons | 1 | {0057D0E0-3573-11CF-AE69-08002B2E1262} |
| List | 3 | {0E1FA5E0-3573-11CF-AE69-08002B2E1262} |
| Details | 4 | {137E7700-3573-11CF-AE69-08002B2E1262} |
| Thumbnail | 5 | {8BEBB290-52D0-11D0-B7F4-00C04FD706EC} |
| Tiles | 6 | {65F125E5-7BE1-4810-BA9D-D271C8432CE3} |
| Filmstrip | 7 | {8EEFA624-D1E9-445B-94B7-74FBCE2EA11A} |