XSSFDataValidationHelper validationHelper = new XSSFDataValidationHelper(firstSheet);
CellRangeAddressList addressList = new CellRangeAddressList(1, 1, 4, 4);
XSSFDataValidationConstraint dvConstraint = (XSSFDataValidationConstraint) validationHelper.createExplicitListConstraint(getAllNames());
DataValidation dataValidation = validationHelper.createValidation(dvConstraint, addressList);
dataValidation.setSuppressDropDownArrow(true);
dataValidation.setShowErrorBox(true);
Above code for drop down list working only in Libre Office Spread Sheet. Its not working in MS Ex-cell and King soft Spread Sheet. I researched in lots of blogs and Apache POI I didn't find any solution for that. If you guys solved this issue before please help me