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Increase the visibility of Accessibility Checker violations

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\Miscellaneous

Description

This policy setting controls whether a document, workbook, or spreadsheet with accessibility errors will cause a loud warning or error slab in the user interface. If you enable this policy setting, you may specify what happens when a document, workbook, or spreadsheet has accessibility errors: - Accessibility violations do not change Prepare for Distribution loudness (default) - Accessibility errors cause the Prepare for Distribution slab to be loud - Accessibility errors or warnings cause the Prepare for Distribution slab to be loud If you disable or do not configure this policy setting, the Accessibility Checker UI will be presented in its normal state.

Registry

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

More options available

Options

acccheckerslabloudness enum
  • Accessibility violations do not change loudness (default) -> 0 (default)
  • Accessibility errors cause slab to be loud -> 1
  • Accessibility errors or warnings cause slab to be loud -> 2

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: Increase the visibility of Accessibility Checker violations
; State: Enabled
; Supported on: At least Windows Server 2008 R2 or Windows 7

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

PowerShell

# Exported from gporais.com
# Policy: Increase the visibility of Accessibility Checker violations
# 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'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'acccheckerslabloudness' -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.

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