from aspose.cells import Workbook # For complete examples and data files, please go to https:# github.com/aspose-cells/Aspose.Cells-for-.NET # The path to the documents directory. dataDir = RunExamples.GetDataDir(".") workbook = Workbook() worksheet = workbook.worksheets[0] cell = worksheet.cells.get("A1") cell.html_string = "<Font Style=\"FONT-WEIGHT: bold;FONT-STYLE: italic;TEXT-DECORATION: underline;FONT-FAMILY: Arial;FONT-SIZE: 11pt;COLOR: #ff0000;\">This is simple HTML formatted text.</Font>" workbook.save(dataDir + "output_out.xlsx")