Turn off Windows Calendar
Verified with Windows 11 25H2 — updated on July 30, 2026
Supported on: Windows Vista only
Path in the GPO console
Computer Configuration\Administrative Templates\Windows Components\Windows Calendar Description
Windows Calendar is a feature that allows users to manage appointments and tasks by creating personal calendars, publishing them, and subscribing to other users calendars. If you enable this setting, Windows Calendar will be turned off. If you disable or do not configure this setting, Windows Calendar will be turned on. The default is for Windows Calendar to be turned on.
Registry
HKLM
Software\Microsoft\Windows\CurrentVersion\Policies\Windows Value name: TurnOffWinCal
Enabled: TurnOffWinCal = 1
Disabled: TurnOffWinCal = 0
MDM / Intune (CSP)
./Device/Vendor/MSFT/Policy/Config/ADMX_WinCal/TurnOffWinCal_2 Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)
Export Builder
BETAConfigure 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: Turn off Windows Calendar
; State: Enabled
; Supported on: Windows Vista only
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Windows]
"TurnOffWinCal"=dword:00000001More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Turn off Windows Calendar
# State: Enabled
# Supported on: Windows Vista only
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Windows'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'TurnOffWinCal' -Value 1 -Type DWordIntune XML
OMA-URI: ./Device/Vendor/MSFT/Policy/Config/ADMX_WinCal/TurnOffWinCal_2
Data type: String
Value:
<enabled/>Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Turn off Windows Calendar
# State: Enabled
# Supported on: Windows Vista only
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Windows' -Name 'TurnOffWinCal' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Turn off Windows Calendar
# State: Enabled
# Supported on: Windows Vista only
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Windows'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'TurnOffWinCal' -Value 1 -Type DWordSCCM scripts
# Exported from gporais.com
# Policy: Turn off Windows Calendar
# State: Enabled
# Supported on: Windows Vista only
# SCCM Configuration Item guidance:
# Create a Configuration Item of type "Setting: Script".
# Discovery script: use the Detection script below.
# Remediation script: use the Remediation script below.
# Compliance rule: the Discovery script output equals 'Compliant'.
# === Detection script ===
# Exported from gporais.com
# Policy: Turn off Windows Calendar
# State: Enabled
# Supported on: Windows Vista only
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Windows' -Name 'TurnOffWinCal' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Turn off Windows Calendar
# State: Enabled
# Supported on: Windows Vista only
$path = 'HKLM:\Software\Microsoft\Windows\CurrentVersion\Policies\Windows'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'TurnOffWinCal' -Value 1 -Type DWordBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.