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Allow use of diacritics

Verified with Windows 11 25H2 — updated on July 30, 2026

Windows 11 25H2

Supported on: Microsoft Windows Vista, or any version of Windows with Windows Search 3.01 or later

Path in the GPO console

Computer Configuration\Administrative Templates\Windows Components\Search

Description

This policy setting allows words that contain diacritic characters to be treated as separate words. If you enable this policy setting, words that only differ in diacritics are treated as different words. If you disable this policy setting, words with diacritics and words without diacritics are treated as identical words. This policy setting is not configured by default. If you do not configure this policy setting, the local setting, configured through Control Panel, will be used. Note: By default, the Control Panel setting is set to treat words that differ only because of diacritics as the same word.

Registry

HKLM SOFTWARE\Policies\Microsoft\Windows\Windows Search

Value name: AllowUsingDiacritics

Enabled: AllowUsingDiacritics = 1

Disabled: AllowUsingDiacritics = 0

MDM / Intune (CSP)

./Device/Vendor/MSFT/Policy/Config/Search/AllowUsingDiacritics
Device Since Windows 10, version 1607 [10.0.14393] and later Official mapping (Microsoft Learn)

Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)

CSP values
  • 0 (Default) - Not allowed.
  • 1 - Allowed.

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: Allow use of diacritics
; State: Enabled
; Supported on: Microsoft Windows Vista, or any version of Windows with Windows Search 3.01 or later

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Windows Search]
"AllowUsingDiacritics"=dword:00000001
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Allow use of diacritics
# State: Enabled
# Supported on: Microsoft Windows Vista, or any version of Windows with Windows Search 3.01 or later

$path = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\Windows Search'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'AllowUsingDiacritics' -Value 1 -Type DWord

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

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