Restrict character code range of conversion: registry value CodeAreaForConversionUserHKCU\software\policies\microsoft\ime\imejp

Policy ID
L_RestrictCharacterCodeRangeOfConversion
Scope
User Configuration
Supported on
At least Windows Server 2012, Windows 8 or Windows RT
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Windows Components › IME

Registry

CodeAreaForConversion

REG_EXPAND_SZUser
Enabled value
Depends on the option value
Element
Character code range:
Value type
REG_EXPAND_SZ
Required
true
Expandable string (REG_EXPAND_SZ)
true
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\software\policies\microsoft\ime\imejp]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
; hex(2) and hex(7) data must be written as hexadecimal (UTF-16LE)
"CodeAreaForConversion"=hex(2):<enter value>
CMD
:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKCU\software\policies\microsoft\ime\imejp" /v "CodeAreaForConversion" /t REG_EXPAND_SZ /d "<enter value>" /f
PowerShell
# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKCU:\software\policies\microsoft\ime\imejp' -Force | Out-Null
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\ime\imejp' -Name 'CodeAreaForConversion' -PropertyType ExpandString -Value '<enter value>' -Force | Out-Null