$strPath="d:\temp\newuser.xls"
$objexcel=new-object -comobject excel.application
$workbook=$objexcel.workbooks.open($strpath)
$worksheet=$workbook.sheets.item("sheet1")
$worksheet.cells.item(1,1).value2="daniel09999"
$workbook.save()
$objexcel.quit()
参考链接：
http://www.cnblogs.com/fuhj02/archive/2010/12/23/1914313.html
本文转自daniel8294 51CTO博客，原文链接：http://blog.51cto.com/acadia627/1590270，如需转载请自行联系原作者
