I am creating POI Excel sheet with a header, although header is getting created but every time after downloading the excel I have to enable header to see the header content. Please help me so that when I download and open the excel sheet, I do not have to click on header option in insert tab to see the header file.
This is the code I have used to create the header .
XSSFWorkbook workbookuse = new XSSFWorkbook();
XSSFSheet sheetuse = workbookuse.createSheet("Usage_Report");
Header header = sheetuse.getHeader();
header.setCenter(HSSFHeader.font("Calibri", "Bold") +
generatedUseFileName.substring(0,11));
header.setLeft("Test Data");
header.setRight("Test Data");
I am using office 2016.