Excel date format using EPPlus
I'm having trouble with format my cells to Date. FileInfo info = new FileInfo(path); using (ExcelPackage package = new ExcelPackage(info)) { ExcelWorksheet ws = package.Workbook.Worksheets.Add(sheetName); ws.Cells[3, 1].Style.Numberformat.Format = "yyyy-mm-dd"; ws.Cells["A3"].Formula = "=DATE(2014,10,5)"; } Output from this in Excel: 41 917,00 Why is this not working? Taraz I agree with Yosoyke. You're probably targeting the wrong cells. You can try: ws.Cells["A3"].Style.Numberformat.Format = "yyyy-mm-dd"; ws.Cells["A3"].Formula = "=DATE(2014,10,5)"; prashant kalyanraman worksheet.Cells[