[void][Reflection.assembly]::LoadFrom("C:\ww\EPPlus.dll") [void][Reflection.assembly]::LoadFrom("C:\ww\Microsoft.IO.RecyclableMemoryStream.dll") $ex = New-Object OfficeOpenXml.ExcelPackage("C:\ww\x.xlsx") #$ex.SaveAs("C:\ww\x1.xlsx") [System.Windows.Forms.MessageBox]::Show(($ex.Workbook.Worksheets[3].Cells[4,4]).ToString()) [System.Windows.Forms.MessageBox]::Show($ex.Workbook.Worksheets[3].Name)