using GroupDocs.Conversion; namespace ConvertMSGtoHTMLUsingCSharp { internal class Program { static void Main(string[] args) { // Set License to avoid the limitations of Conversion library License lic = new License(); lic.SetLicense(@"GroupDocs.Conversion.lic"); // Import MSG document var converter = new GroupDocs.Conversion.Converter("input.msg"); // Get conversion option for final output document var conversionoptions = converter.GetPossibleConversions()["html"] .ConvertOptions; // Save the HTML to disk converter.Convert("output.html", conversionoptions); } } }