First day of the week: registry value firstdowUserHKCU\software\policies\microsoft\office\16.0\outlook\options\calendar
- Policy ID
- L_Firstdayoftheweek
- Scope
- User Configuration
- Supported on
- At least Windows Server 2008 R2 or Windows 7
- Source
- Microsoft 365 Apps / Office Administrative Templates (version 5568.1000)
- Category
- Microsoft Outlook 2016 › Outlook Options › Preferences › Calendar Options
Registry
firstdow
REG_DWORDUser- Enabled value
- Depends on the option value
- Element
- Choose the first day of the week:
| Item | Stored value |
|---|---|
| Sunday | 0 |
| Monday | 1 |
| Tuesday | 2 |
| Wednesday | 3 |
| Thursday | 4 |
| Friday | 5 |
| Saturday | 6 |
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\options\calendar] ; Options (use only one) ; Sunday "firstdow"=dword:00000000 ; Monday "firstdow"=dword:00000001 ; Tuesday "firstdow"=dword:00000002 ; Wednesday "firstdow"=dword:00000003 ; Thursday "firstdow"=dword:00000004 ; Friday "firstdow"=dword:00000005 ; Saturday "firstdow"=dword:00000006
CMD
:: Options (use only one) :: Sunday reg add "HKCU\software\policies\microsoft\office\16.0\outlook\options\calendar" /v "firstdow" /t REG_DWORD /d 0 /f :: Monday reg add "HKCU\software\policies\microsoft\office\16.0\outlook\options\calendar" /v "firstdow" /t REG_DWORD /d 1 /f :: Tuesday reg add "HKCU\software\policies\microsoft\office\16.0\outlook\options\calendar" /v "firstdow" /t REG_DWORD /d 2 /f :: Wednesday reg add "HKCU\software\policies\microsoft\office\16.0\outlook\options\calendar" /v "firstdow" /t REG_DWORD /d 3 /f :: Thursday reg add "HKCU\software\policies\microsoft\office\16.0\outlook\options\calendar" /v "firstdow" /t REG_DWORD /d 4 /f :: Friday reg add "HKCU\software\policies\microsoft\office\16.0\outlook\options\calendar" /v "firstdow" /t REG_DWORD /d 5 /f :: Saturday reg add "HKCU\software\policies\microsoft\office\16.0\outlook\options\calendar" /v "firstdow" /t REG_DWORD /d 6 /f
PowerShell
# Common: create the key New-Item -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\options\calendar' -Force | Out-Null # Options (use only one) # Sunday New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\options\calendar' -Name 'firstdow' -PropertyType DWord -Value 0 -Force | Out-Null # Monday New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\options\calendar' -Name 'firstdow' -PropertyType DWord -Value 1 -Force | Out-Null # Tuesday New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\options\calendar' -Name 'firstdow' -PropertyType DWord -Value 2 -Force | Out-Null # Wednesday New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\options\calendar' -Name 'firstdow' -PropertyType DWord -Value 3 -Force | Out-Null # Thursday New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\options\calendar' -Name 'firstdow' -PropertyType DWord -Value 4 -Force | Out-Null # Friday New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\options\calendar' -Name 'firstdow' -PropertyType DWord -Value 5 -Force | Out-Null # Saturday New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\options\calendar' -Name 'firstdow' -PropertyType DWord -Value 6 -Force | Out-Null