Controlling Outlook personal folder PST file

Sometimes you may wish to control the end users to create the personal folder file, here are some solutions:

To disable end users' personal folder (.pst), add the registry key on client

HKCU\Software\Microsoft\Office\11.0\Outlook\
Value name: DisablePST
Data type: REG_DWORD
Value: 1 ( 1 to disable, 0 to enable)

Note that .PST files already located in a user's email profile will still be functional. Therefore you need to disable the growth of pst file or manually delete it.

To disable personal folder growth

HKCU\Software\Microsoft\Office\11.0\Outlook\PST
Value name: PstDisableGrow
DAta type: REG_DWORD
Value: 1