[Kazun]

Код:

$ex = new-object -com Excel.Application
$wb = $ex.Workbooks.Open("D:\12.xlsx")
$ws = $wb.Worksheets.Item(1)
$lf = $ws.Range("A65536").End(-4162).Row + 1

$ws.Cells.Item($lf,1) = $d
$ws.Cells.Item($lf,2) = $t
$ws.Cells.Item($lf,3) = $sDocNumber
$ws.Cells.Item($lf,4) = $DocTypeRus
$ws.Cells.Item($lf,5) = $sCadastralNumber
$ws.Cells.Item($lf,6) = $sDateCreateDoc
$ws.Cells.Item($lf,7) = $sSourceXmlFile.name
$ws.Cells.Item($lf,8) = "->"
$ws.Cells.Item($lf,9) = ""

$wb.Save()
$ex.Quit()