I am trying to have gridlines show on-screen. Printing gridlines is not a problem - just having them appear on the monitor. I'm using Excel 2004.

Are you on a Mac? Because there is no version of Excel for Windows for 2004. It went from 2003 to 2007.

Excel 2003: Show or hide gridlines on a worksheet - Excel - Office.com (http://office.microsoft.com/en-us/excel-help/show-or-hide-gridlines-on-a-worksheet-HP005234681.aspx)

Excel 2007: Show or hide gridlines on a worksheet - Excel - Office.com (http://office.microsoft.com/en-us/excel-help/show-or-hide-gridlines-on-a-worksheet-HP001217047.aspx)

Excel 2010: Show or hide gridlines on a worksheet - Excel - Office.com (http://office.microsoft.com/en-us/excel-help/show-or-hide-gridlines-on-a-worksheet-HP010342895.aspx)

Excel for Mac: Show or hide gridlines on a sheet - mac excel - Office.com (http://office.microsoft.com/en-us/mac-excel-help/show-or-hide-gridlines-on-a-sheet-HA102928018.aspx)