private void CreateTasksFolder(ExchangeService svc, string folderName, FolderId folderId)
        {
            TasksFolder folder = new TasksFolder(svc);

            folder.DisplayName = folderName;

            try
            {
                folder.Save(folderId);
            }
            catch (Exception erro)
            {
                ValidationCreationFolderException(erro);
            }
        }