Download Microsoft.office.interop.excel.dll Version 15.0.0.0 (2026)

// Create a new worksheet Excel.Worksheet worksheet = workbook.Sheets.Add();

using Microsoft.Office.Interop.Excel;

// Write data to the worksheet worksheet.Cells[1, 1].Value = "Hello, World!"; download microsoft.office.interop.excel.dll version 15.0.0.0