Turn on inline AutoComplete: registry value Append CompletionUserHKCU\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete

Policy ID: AutoComplete
Scope: User Configuration
Supported on: At least Internet Explorer 7.0
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Internet Explorer › Internet Settings › AutoComplete

Registry

Append Completion

REG_SZUser

HKCU\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete Current key

Enabled value: yes
Disabled value: no

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete]

; Options (use only one)
; Enabled
"Append Completion"="yes"
; Disabled
"Append Completion"="no"

CMD

:: Options (use only one)

:: Enabled
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete" /v "Append Completion" /t REG_SZ /d "yes" /f
:: Disabled
reg add "HKCU\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete" /v "Append Completion" /t REG_SZ /d "no" /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete' -Name 'Append Completion' -PropertyType String -Value 'yes' -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKCU:\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Explorer\AutoComplete' -Name 'Append Completion' -PropertyType String -Value 'no' -Force | Out-Null