sheets.rows.cells.bold Boolean (default: false)

Setting sheets.rows.cells.bold to true makes the cell content bold.

Example - making the cell content bold

<script>
var workbook = new kendo.ooxml.Workbook({
  sheets: [
      {
          rows: [
            { cells: [ { value: "Bold", bold: true } ] }
          ]
      }
  ]
});
kendo.saveAs({
  dataURI: workbook.toDataURL(),
  fileName: "Test.xlsx"
});
</script>