$excel = New-Object -ComObject Excel.Application
$excel.Visible = $false
$workbook = $excel.Workbooks.Open("C:testexcel.xls")
$binding = "System.Reflection.BindingFlags" -as [type]
Foreach($property in $workbook.BuiltInDocumentProperties)
{
  $pn = [System.__ComObject].invokemember("name",$binding::GetProperty,$null,$property,$null)
  trap [system.exception]
   {
     write-host -foreground blue "Value not found for $pn"
    continue
   }
  "$pn`: " +
   [System.__ComObject].invokemember("value",$binding::GetProperty,$null,$property,$null)
 }
$excel.quit() </code> <br> Can someone please assist:

[System.__ComObject].invokemember("name",$binding::GetProperty,$null,$property,$null)

$lst=$workbook.BuiltinDocumentProperties("Last Save Time")
[System.__ComObject]$lst.invokemember("value",$binding::GetProperty,$null,$property,$null)