// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-Java //Create workbook Workbook wb = new Workbook(); //Create an unused named style wb.createStyle().setName("UnusedStyle_XXXXXXXXXXXXXX"); //Access first worksheet Worksheet ws = wb.getWorksheets().get(0); //Put some value in cell C7 ws.getCells().get("C7").putValue("This is sample text."); //Specify html save options, we want to exclude unused styles HtmlSaveOptions opts = new HtmlSaveOptions(); //Comment this line to include unused styles opts.setExcludeUnusedStyles(true); //Save the workbook in html format wb.save("outputExcludeUnusedStylesInExcelToHTML.html", opts);