Solution 1: Make setWrapText true as shown below SimpleXlsxReportConfiguration xlsxReportConfiguration = new SimpleXlsxReportConfiguration(); xlsxReportConfiguration.setWrapText(true); Solution 2. When you have long sentences, if you want to break a word or it should come in a new line means PressShift+Enter(It will add nr) Solution 3 In my case, it is not working in ms office .so I installed LibreOffice.