Создайте лист Excel в JavaScript
const XLSX = require('xlsx');
var ws = XLSX.utils.aoa_to_sheet([
"SheetJS".split(""),
[1,2,3,4,5,6,7],
[2,3,4,5,6,7,8]
]);
XLSX.writeFile(ws, 'out.xlsb');
Homely Heroin