Introduced in build 188.8.131.525
Saves a specified Workbook as a BIFF8 format (Excel 97 or later) .xls file.
The current ExcelApplication object which is saving the workbook to file
object representing the workbook to save.
SharePoint Document Library that contains the Excel spreadsheet being opened
Specifies a file name for the Workbook. ExcelWriter will save the file to the document library using this name. If a file with the same name exists, it will be overwritten by the new Excel file if the overwrite parameter is set to True.
Set to True to overwrite an Excel file if one already exists by that name in the Document Library
If there is a problem creating, opening, or writing to the file specified, or reading from the workbook object.