Disallow Convert Document (Excel, PowerPoint, Word): registry value convertdocumentUserHKCU\software\policies\microsoft\office\16.0\common\general

Policy ID: L_DisalowconvertdocumentPolicy
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 Office 2016 › Miscellaneous

Registry

convertdocument

REG_SZUser

HKCU\software\policies\microsoft\office\16.0\common\general Current key

Enabled value: BlockConvert
Disabled value: AllowConvert

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\common\general]

; Options (use only one)
; Enabled
"convertdocument"="BlockConvert"
; Disabled
"convertdocument"="AllowConvert"

CMD

:: Options (use only one)

:: Enabled
reg add "HKCU\software\policies\microsoft\office\16.0\common\general" /v "convertdocument" /t REG_SZ /d "BlockConvert" /f
:: Disabled
reg add "HKCU\software\policies\microsoft\office\16.0\common\general" /v "convertdocument" /t REG_SZ /d "AllowConvert" /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\software\policies\microsoft\office\16.0\common\general' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\common\general' -Name 'convertdocument' -PropertyType String -Value 'BlockConvert' -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\common\general' -Name 'convertdocument' -PropertyType String -Value 'AllowConvert' -Force | Out-Null