help please how to align left the exported excel data

sowmyasow

table=$("#ex_datatable").DataTable({
"language": {
"search": "Filter By:",

},

"sDom":'Bfptip',

buttons: [
        {
            extend: 'excel',
          text: 'Export To CSV',
          className: 'btn btn-success',

            exportOptions: {
                columns:  ':not(:last-child)'
            }
        }]

});