using GroupDocs.Conversion;

namespace ConvertXLSXtoDOCXusingCSharp
{
    class Program
    {
        public static void Main(string[] args)
        {
            // Set License to avoid the limitations of Conversion library
            License lic = new License();
            lic.SetLicense(@"GroupDocs.Conversion.lic");

            // Import XLSX document 
            var converter = new GroupDocs.Conversion.Converter("input.xlsx");

            // Get conversion option for DOCX output 
            var convertOptions = converter.GetPossibleConversions()["docx"]
                .ConvertOptions;
            // Save the DOCX to disk
            converter.Convert("ConvertXLSXtoPDFusingCSharp.docx", convertOptions);
        }
    }
}