Secondary calendar settings

Checks/Unchecks the option "Enable alternate calendar".

Supported on: At least Windows Vista
Enable alternate calendar
Registry HiveHKEY_CURRENT_USER
Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
Value NameShow BothCal
Value TypeREG_DWORD
Default Value0
True Value1
False Value0
Set secondary calendar language:


  1. Buddhist (Thai)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1054
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD7
  2. Chinese Lunar (Simplified Chinese)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value2052
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD15
  3. Chinese Lunar (Traditional Chinese)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1028
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD15
  4. Gregorian (Arabic)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1025
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD10
  5. Gregorian (English)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1033
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD1
  6. Gregorian (Hebrew)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1037
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD1
  7. Gregorian (Transliterated English)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1025
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD11
  8. Gregorian (Transliterated French)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1025
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD12
  9. Hebrew Lunar (English)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1033
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD8
  10. Hebrew Lunar (Hebrew)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1037
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD8
  11. Hijri (Arabic)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1025
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD6
  12. Hijri (English)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1033
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD6
  13. Japanese Lunar (Japanese)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1041
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD14
  14. Korean Lunar (Korean)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1042
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD20
  15. Rokuyou (Japanese)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1041
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD19
  16. Saka (English)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1033
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD16
  17. Saka (Hindi)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1081
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD16
  18. Zodiac (Japanese)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1041
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD18
  19. Zodiac (Korean)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1042
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD18
  20. Zodiac (Simplified Chinese)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value2052
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD17
  21. Zodiac (Traditional Chinese)
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\Calendar
    Value NameAlter Calendar Lang
    Value TypeREG_DWORD
    Value1028
    Registry HiveRegistry Path:Value NameValue TypeValue
    HKEY_CURRENT_USERSoftware\Policies\Microsoft\Office\12.0\Outlook\Options\CalendarAlter Calendar TypeREG_DWORD17


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