$File = "C:\user1.xlsx"
$savePath = "C:\Result.csv"
$objExcel = New-Object -ComObject Excel.Application
$objworkbook=$objExcel.Workbooks.Open($File)
$objworkbook.SaveAs($savePath,6)
$objworkbook.Close($false)
$objExcel.Quit()
Import-Csv -Path $savePath