select the mandatory cell "Summary" in the rows you want to delete and press "DEL"
or open the cell menu with right mouse button and choose "delete" on any cell
Important to know!
In the earlier versions of JExcel deleting an issue deleted the issue itself and their child-issues (not only sub-tasks).
In the newer versions* of JExcel deleting an issue deletes only the issue itself and their sub-tasks.
*In order for you to have this fixyou must upgrade to JExcel PRO v.2.2.2(Data Center) /JExcel PRO 1.19.6(server) /JExcel LITE 1.19.6(server) which we highly recommend!