Example of ClosedXML handling ÅÄÖ

ClosedXML_Main.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

// to use close xml use nuget Package Manager Console:  Install-Package ClosedXML
// example from http://closedxml.codeplex.com/wikipage?title=Showcase&referringTitle=Documentation
// This example is to prove that closedXML has no problem with strings containing å ä ö swedish letters with umlauts and circles.
// it adds  person with name Tösse Långbänk
// Its from question here : http://www.lcube.se/closedxml-det-enkla-sattet-att-exportera-till-excel/

using ClosedXML.Excel;

namespace HelloClosedXML
{
    class Program
    {
        
        
        static void Main(string[] args)
        {
            var wb = new XLWorkbook();
            var ws = wb.Worksheets.Add("Contacts");
            //Title
            ws.Cell("B2").Value = "Contacts";

            //First Names
            ws.Cell("B3").Value = "FName";
            ws.Cell("B4").Value = "John";
            ws.Cell("B5").Value = "Hank";
            ws.Cell("B6").SetValue("Dagny"); // Another way to set the value
            ws.Cell("B7").Value = "Tösse";
            //Last Names
            ws.Cell("C3").Value = "LName";
            ws.Cell("C4").Value = "Galt";
            ws.Cell("C5").Value = "Rearden";
            ws.Cell("C6").SetValue("Taggart"); // Another way to set the value
            ws.Cell("C7").Value = "Långbänk";

            //Format the ÅÄÖ 

            var rngTable = ws.Range("B7:C7");
            rngTable.Cells().Style
                .Font.SetBold()
                .Fill.SetBackgroundColor(XLColor.CornflowerBlue);

            // Boolean
            ws.Cell("D3").Value = "Outcast";
            ws.Cell("D4").Value = true;
            ws.Cell("D5").Value = false;
            ws.Cell("D6").SetValue(false); // Another way to set the value
            ws.Cell("D7").Value = true;
            //DateTime
            ws.Cell("E3").Value = "DOB";
            ws.Cell("E4").Value = new DateTime(1919, 1, 21);
            ws.Cell("E5").Value = new DateTime(1907, 3, 4);
            ws.Cell("E6").SetValue(new DateTime(1921, 12, 15)); // Another way to set the value
            ws.Cell("E7").Value = new DateTime(1912, 2, 29);
            //Numeric
            ws.Cell("F3").Value = "Income";
            ws.Cell("F4").Value = 2000;
            ws.Cell("F5").Value = 40000;
            ws.Cell("F6").SetValue(10000); // Another way to set the value
            ws.Cell("F7").SetValue(13000); // Another way to set the value

            //Adjust column widths 
            ws.Columns().AdjustToContents();

            //Save file on desktop
            string path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
            string excelFilePath = System.IO.Path.Combine(path, "ShowcaseÅÄÖ.xlsx");
           wb.SaveAs(excelFilePath);
        }
    }
}