How first week of year is calculated

This will affect calculations of week number in templates that include it, as well as the display of the week number in the date picker.


Supported on: At least Windows Vista



  1. First full week
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\CPAO\Settings
    Value NamefirstWeekOfYearSelection
    Value TypeREG_SZ
    ValueFirstFullWeek
  2. First four day week
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\CPAO\Settings
    Value NamefirstWeekOfYearSelection
    Value TypeREG_SZ
    ValueFirstFourDayWeek
  3. First day
    Registry HiveHKEY_CURRENT_USER
    Registry PathSoftware\Policies\Microsoft\Office\12.0\CPAO\Settings
    Value NamefirstWeekOfYearSelection
    Value TypeREG_SZ
    ValueFirstDay


cpao12.admx

Administrative Templates (Computers)

Administrative Templates (Users)