Outlook Protection Rules: registry value pb4sdisabledUserHKCU\software\policies\microsoft\office\outlook\addins\umoutlookaddin.formregionaddin

Policy ID: L_OutlookProtectionRules
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 › Mail › Compose Messages

Registry

pb4sdisabled

REG_DWORDUser

HKCU\software\policies\microsoft\office\outlook\addins\umoutlookaddin.formregionaddin Current key

Enabled value: 0
Disabled value: 1

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\software\policies\microsoft\office\outlook\addins\umoutlookaddin.formregionaddin]

; Options (use only one)
; Enabled
"pb4sdisabled"=dword:00000000
; Disabled
"pb4sdisabled"=dword:00000001

CMD

:: Options (use only one)

:: Enabled
reg add "HKCU\software\policies\microsoft\office\outlook\addins\umoutlookaddin.formregionaddin" /v "pb4sdisabled" /t REG_DWORD /d 0 /f
:: Disabled
reg add "HKCU\software\policies\microsoft\office\outlook\addins\umoutlookaddin.formregionaddin" /v "pb4sdisabled" /t REG_DWORD /d 1 /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\software\policies\microsoft\office\outlook\addins\umoutlookaddin.formregionaddin' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\outlook\addins\umoutlookaddin.formregionaddin' -Name 'pb4sdisabled' -PropertyType DWord -Value 0 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\outlook\addins\umoutlookaddin.formregionaddin' -Name 'pb4sdisabled' -PropertyType DWord -Value 1 -Force | Out-Null