Make Outlook the default program for E-mail, Contacts, and Calendar

Checks/Unchecks the corresponding UI option.

Supported on: At least Windows Vista
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\Policies\microsoft\office\12.0\outlook\options\general
Value NameCheck Default Client
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

outlk12.admx

Administrative Templates (Computers)

Administrative Templates (Users)