Introduced in build 18.104.22.1685
Opens an existing Excel spreadsheet that is attached to a SharePoint List Item.
excelApplicationThe current ExcelApplication object which is opening the file
listItemSharePoint List Item to which the file is attached
fileNameThe name of the file to open. The file must be a BIFF8 format (Excel 97 or later) .xls or .xlt file.
ReturnsA Workbook object representing the file opened.
System.ExceptionIf the file cannot be found or opened, or if ExcelWriter cannot parse the file as a BIFF8 file.
ExcelWriter supports Excel's BIFF8 (Excel 97 or later) format only. Do not use this method to open BIFF7 (Excel 95) files.