Unmerge Cells in Excel using Node.js. For further details: https://kb.aspose.com/cells/nodejs/unmerge-cells-in-excel-using-nodejs/

Unmerge Cells in Excel using Node.js

const asposecells = require('aspose.cells');

// Create a workbook.
const wb = new asposecells.Workbook("book1.xlsx");

// Obtain the first sheet
const sheet = wb.getWorksheets().get(0);

const mergedRange = sheet.getCells().createRange("H1:L10");
mergedRange.unMerge();

// Save the output
wb.save("output.xlsx");

console.log("Cells un-merged successfully!!!");