I was going trough some of the projects where I use Aspose cells today and upgraded the .dll files, but suddenly there was a problem reading a workbook, it “worked” on 4.0.1.0 but not on 4.0.2.0 returning this exception. …...2006, 6:43am 2 Could you please zip and post your Excel file here...Aspose developers. Or you can zip and send it to nanjing@aspose...