en-US office user

Allow Startup Boost feature

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

Microsoft 365/Office 5568.1000

Supported on: At least Windows Server 2016, Windows 10

Path in the GPO console

User Configuration\Administrative Templates\Microsoft Word 2016\Word Options\General

Description

This policy setting configures the "Startup Boost" checkbox found under File tab | Options | General. Startup Boost improves Word's boot time by prewarming the app on user login. If you enable or do not configure this policy, users will be able to use the Startup Boost feature. The Startup Boost checkbox will be enabled and checked by default. If you disable this policy setting, the Startup Boost feature will not be available. The Startup Boost checkbox will be disabled and unchecked. Note: This policy setting only applies to subscription versions of Office, such as Microsoft 365 Apps for enterprise.

Registry

HKCU software\policies\microsoft\office\16.0\word\options

Value name: prewarmadminallowed

Enabled: prewarmadminallowed = 1

Disabled: prewarmadminallowed = 0

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 Startup Boost feature
; State: Enabled
; Supported on: At least Windows Server 2016, Windows 10

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\word\options]
"prewarmadminallowed"=dword:00000001
More formats (PowerShell, Intune, SCCM)

PowerShell

# Exported from gporais.com
# Policy: Allow Startup Boost feature
# State: Enabled
# Supported on: At least Windows Server 2016, Windows 10
# 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\word\options'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'prewarmadminallowed' -Value 1 -Type DWord

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

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