Input the attached file and open it
workbook = new Workbook(inputStream);
got the error:
Caused by: com.aspose.cells.CellsException: This Excel file contains (Excel4.0 or earlier file format) records.
at com.aspose.cells.zjl.a(Unknown Source)
at com.aspose.cells.Workbook.a(Unknown Source)
at com.aspose.cells.Workbook.(Unknown Source)
at comlboval.zip (14.1 KB)
Well, your template file is Microsoft Excel 4.0 worksheet. I am afraid, Aspose.Cells does not support such older file format. See the document which file formats are supported for your reference: