If you paste this into admin powershell, it disables copilot inside of MS365 installed apps. Doesn’t change apps online, or the ability to use other AI’s, even copilot website, BUT it does block the copilot add on items in all installed office apps (Being used for PCA here shortly)
$regPath = “HKCU:\Software\Policies\Microsoft\office\16.0\common\officeai”
if (!(Test-Path $regPath)) { New-Item -Path $regPath -Force }
Set-ItemProperty -Path $regPath -Name “TurnOffCallout” -Value 1
$privacyPath = “HKCU:\Software\Policies\Microsoft\office\16.0\common\privacy”
if (!(Test-Path $privacyPath)) { New-Item -Path $privacyPath -Force }
Set-ItemProperty -Path $privacyPath -Name “disconnectedstate” -Value 2