API to write huge excel files using java

Question

I am looking to write to an excel (.xls MS Excel 2003 format) file programatically using Java. The excel output files may contain ~200,000 rows which I plan to split over n

Answer 1

There also is JExcelApi, but its uses more memory. i think you should create .csv file and open it in excel. it allows you to pass a lot of data, but you wont be able to do any "excel magic".