use Excel::Writer::XLSX; my $workbook = Excel::Writer::XLSX->new( 'sample.xlsx' ); $worksheet1 = $workbook->add_worksheet("new"); $worksheet1->write(2, 2, 'Name'); $worksheet2 = $workbook->add_worksheet("old"); $worksheet2->write(2, 2, 'Name'); $worksheet3 = $workbook->add_worksheet("latest"); $worksheet3->write(2, 2, 'Name'); $worksheet1->write(3, 3, 'Something else');