Get-Process outlook,excel,winword,powerpnt,onenote,teams,ms-teams,onedrive -ErrorAction SilentlyContinue | Stop-Process -Force
Remove-Item "$env:LOCALAPPDATA\Microsoft\IdentityCache" -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item "$env:LOCALAPPDATA\Microsoft\OneAuth" -Recurse -Force -ErrorAction SilentlyContinue
Remove-Item "HKCU:\Software\Microsoft\Office\16.0\Common\Identity" -Recurse -Force -ErrorAction SilentlyContinue
Write-Host "Office authentication cache cleared."