en-US office user

Rely on CSS for font formatting

Verified with Microsoft 365/Office 5568.1000 — updated on September 4, 2026

Microsoft 365/Office 5568.1000

Supported on: At least Windows Server 2008 R2 or Windows 7

Path in the GPO console

User Configuration\Administrative Templates\Microsoft Office 2016\Tools | Options | General | Web Options...\General

Description

This policy setting allows you to rely on CSS for font formatting. If you enable this policy setting, you may select configure these options: - Enforce CSS: If checked, enforce CSS is on. If not checked, enforce CSS is off. - CSS setting for Word: If checked, the CSS setting for Word as an email editor is used. If you disable or do not configure this policy setting, the options will not be configured.

Registry

HKCU software\policies\microsoft\office\16.0\common\internet

More options available

Options

Enforce CSS
donotrelyoncss boolean
CSS setting for Word
userelyoncssformail boolean

Export Builder

BETA

Configure the state, scope and options, then generate .reg, PowerShell, Intune and SCCM outputs — or add the setting to a multi-setting collection.

These exports write the registry — this is not a managed GPO.

.reg file

Windows Registry Editor Version 5.00

; Exported from gporais.com
; Policy: Rely on CSS for font formatting
; State: Enabled
; Supported on: At least Windows Server 2008 R2 or Windows 7

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\common\internet]
"donotrelyoncss"=dword:00000000
"userelyoncssformail"=dword:00000000
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Rely on CSS for font formatting
# State: Enabled
# Supported on: At least Windows Server 2008 R2 or Windows 7
# Warning: In SYSTEM context (the Intune default), HKCU targets the SYSTEM profile. Run this script using the logged-on credentials.

$path = 'HKCU:\software\policies\microsoft\office\16.0\common\internet'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'donotrelyoncss' -Value 0 -Type DWord
Set-ItemProperty -Path $path -Name 'userelyoncssformail' -Value 0 -Type DWord

Building a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.

Open the Builder

Embed this policy on your site

What to embed
Theme

Adds one script line: the theme follows your site’s appearance and the height fits the content. If your site blocks scripts, the embed follows the visitor’s system theme.

Preview