Hi,
We are using this code to save XLSX file, in works well with Aspose.Cells 8.6 :
saveOptions = new XlsSaveOptions(SaveFormat.Xlsx)
{
CachedFileFolder = Path.GetTempPath(),
ClearData = true
};
workbook.Save(f…...GetTempPath(), ClearData = true, Encoding = Encoding.Unicode, Separator =...