Automatic name checking: registry value autonamecheckUserHKCU\software\policies\microsoft\office\16.0\outlook\preferences

Policy ID
L_Automaticnamechecking
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 › E-mail Options › Advanced E-mail Options › When sending a message

Registry

autonamecheck

REG_DWORDUser
Checked
1
Unchecked
0
Element
Automatic name checking
Value type
REG_DWORD
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\outlook\preferences]

; Options (use only one)
; Checked
"autonamecheck"=dword:00000001
; Unchecked
"autonamecheck"=dword:00000000
CMD
:: Options (use only one)

:: Checked
reg add "HKCU\software\policies\microsoft\office\16.0\outlook\preferences" /v "autonamecheck" /t REG_DWORD /d 1 /f
:: Unchecked
reg add "HKCU\software\policies\microsoft\office\16.0\outlook\preferences" /v "autonamecheck" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key
New-Item -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\preferences' -Force | Out-Null

# Options (use only one)
# Checked
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\preferences' -Name 'autonamecheck' -PropertyType DWord -Value 1 -Force | Out-Null
# Unchecked
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\outlook\preferences' -Name 'autonamecheck' -PropertyType DWord -Value 0 -Force | Out-Null