Configure Outlook Express: registry value OESettings (Control Panel)UserHKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel
- Policy ID
- OESettings
- Scope
- User Configuration
- Supported on
- Only Internet Explorer 6.0
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Windows Components › Internet Explorer
Registry
BlockExeAttachments
REG_DWORDUser- Checked
- 1
- Unchecked
- 0
- Element
- Block attachments that could contain a virus
- Value type
- REG_DWORD
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_CURRENT_USER\Software\Microsoft\Outlook Express] ; Options (use only one) ; Checked "BlockExeAttachments"=dword:00000001 ; Unchecked "BlockExeAttachments"=dword:00000000
CMD
:: Options (use only one) :: Checked reg add "HKCU\Software\Microsoft\Outlook Express" /v "BlockExeAttachments" /t REG_DWORD /d 1 /f :: Unchecked reg add "HKCU\Software\Microsoft\Outlook Express" /v "BlockExeAttachments" /t REG_DWORD /d 0 /f
PowerShell
# Common: create the key New-Item -Path 'HKCU:\Software\Microsoft\Outlook Express' -Force | Out-Null # Options (use only one) # Checked New-ItemProperty -Path 'HKCU:\Software\Microsoft\Outlook Express' -Name 'BlockExeAttachments' -PropertyType DWord -Value 1 -Force | Out-Null # Unchecked New-ItemProperty -Path 'HKCU:\Software\Microsoft\Outlook Express' -Name 'BlockExeAttachments' -PropertyType DWord -Value 0 -Force | Out-Null