Set the default "share additional operating system region" setting: registry value DefaultShareAdditionalOSRegionSetting (Edge)ComputerHKLM\Software\Policies\Microsoft\Edge

Policy ID
DefaultShareAdditionalOSRegionSetting
Scope
Computer Configuration, User Configuration
Supported on
Microsoft Edge version 108, Windows 7 or later
Source
Microsoft Edge Policy Templates (version 155.0.4283.45)
Category
Microsoft Edge

Registry

DefaultShareAdditionalOSRegionSetting

REG_DWORDComputerUser
Enabled value
Depends on the option value
Element
'Set the default "share additional operating system region" setting
Options
ItemStored value
Limited0
Always share the OS Regional format1
Never share the OS Regional format2
Apply with .reg · CMD · PowerShell
ComputerMachine-wide setting
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Edge]

; Options (use only one)
; Limited
"DefaultShareAdditionalOSRegionSetting"=dword:00000000
; Always share the OS Regional format
"DefaultShareAdditionalOSRegionSetting"=dword:00000001
; Never share the OS Regional format
"DefaultShareAdditionalOSRegionSetting"=dword:00000002
CMD
:: Options (use only one)

:: Limited
reg add "HKLM\Software\Policies\Microsoft\Edge" /v "DefaultShareAdditionalOSRegionSetting" /t REG_DWORD /d 0 /f
:: Always share the OS Regional format
reg add "HKLM\Software\Policies\Microsoft\Edge" /v "DefaultShareAdditionalOSRegionSetting" /t REG_DWORD /d 1 /f
:: Never share the OS Regional format
reg add "HKLM\Software\Policies\Microsoft\Edge" /v "DefaultShareAdditionalOSRegionSetting" /t REG_DWORD /d 2 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Edge' -Force | Out-Null

# Options (use only one)
# Limited
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge' -Name 'DefaultShareAdditionalOSRegionSetting' -PropertyType DWord -Value 0 -Force | Out-Null
# Always share the OS Regional format
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge' -Name 'DefaultShareAdditionalOSRegionSetting' -PropertyType DWord -Value 1 -Force | Out-Null
# Never share the OS Regional format
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Edge' -Name 'DefaultShareAdditionalOSRegionSetting' -PropertyType DWord -Value 2 -Force | Out-Null
UserPer-account setting
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Microsoft\Edge]

; Options (use only one)
; Limited
"DefaultShareAdditionalOSRegionSetting"=dword:00000000
; Always share the OS Regional format
"DefaultShareAdditionalOSRegionSetting"=dword:00000001
; Never share the OS Regional format
"DefaultShareAdditionalOSRegionSetting"=dword:00000002
CMD
:: Options (use only one)

:: Limited
reg add "HKCU\Software\Policies\Microsoft\Edge" /v "DefaultShareAdditionalOSRegionSetting" /t REG_DWORD /d 0 /f
:: Always share the OS Regional format
reg add "HKCU\Software\Policies\Microsoft\Edge" /v "DefaultShareAdditionalOSRegionSetting" /t REG_DWORD /d 1 /f
:: Never share the OS Regional format
reg add "HKCU\Software\Policies\Microsoft\Edge" /v "DefaultShareAdditionalOSRegionSetting" /t REG_DWORD /d 2 /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Microsoft\Edge' -Force | Out-Null

# Options (use only one)
# Limited
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge' -Name 'DefaultShareAdditionalOSRegionSetting' -PropertyType DWord -Value 0 -Force | Out-Null
# Always share the OS Regional format
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge' -Name 'DefaultShareAdditionalOSRegionSetting' -PropertyType DWord -Value 1 -Force | Out-Null
# Never share the OS Regional format
New-ItemProperty -Path 'HKCU:\Software\Policies\Microsoft\Edge' -Name 'DefaultShareAdditionalOSRegionSetting' -PropertyType DWord -Value 2 -Force | Out-Null