Don't know is this will help, but I used the following code and it worked for me:

Private Sub ExportToExcel2_Click()
    DoCmd.OutputTo acOutputQuery, "FILE_NAME_2_Export", acFormatXLSX, "F:\FOLDER_PATH\FILE_NAME_4_EXPORT" & "_" & Format(Now(), "mmddyyyy - hhnn") & ".xlsx", True
End Sub