PS C:\WINDOWS\system32> Get-ItemProperty -Path "HKCU:\SOFTWARE\MICROSOFT\OFFICE\14.0\OUTLOOK\PST\"
PSPath : Microsoft.PowerShell.Core\Registry::HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\14.0\OUTLOOK\PST\
PSParentPath : Microsoft.PowerShell.Core\Registry::HKEY_CURRENT_USER\SOFTWARE\MICROSOFT\OFFICE\14.0\OUTLOOK
PSChildName : PST
PSDrive : HKCU
PSProvider : Microsoft.PowerShell.Core\Registry
MaxLargeFileSize : 512000
WarnLargeFileSize : 486400
If the registries in yellow are not present or values changes I need to alert . The value change is less important the present of key is priority