public void Create(string TemplateName, string fileName)
        {
            dynamic wordApp = new Application { Visible = false };

            var templatedDocument = wordApp.Documents.Add(TemplateName);
            templatedDocument.Activate();

            wordApp.Selection.Find.Replacement.Text = "test";
            wordApp.Selection.Find.Execute(startsym + "n_certif" + endsym, Replace: WdReplace.wdReplaceAll);
            
            templatedDocument.SaveAs(fileName);

           
            templatedDocument.Close();
            wordApp.Quit();
        }

            templatedDocument.Close();
            System.Runtime.InteropServices.Marshal.ReleaseComObject(templatedDocument);
            wordApp.Quit();
            System.Runtime.InteropServices.Marshal.ReleaseComObject(wordApp);
            templatedDocument = null;
            wordApp = null;
            System.GC.Collect();
            System.GC.WaitForPendingFinalizers();