ارجاع به سلول‌ها با استفاده از شماره اندیس

Workbook.Sheets[1].Cells[5,2].Value := 10;

With Workbook.Sheets[1] do begin
  for i := 1 to 10 do
    Cells[i, 1].Value := i;
end;

With Workbook.Sheets[1].Range['C5', 'G20'] do begin
  for i := 1 to Rows.Count do
    Cells[i, 1].Value := i;
end;

With Workbook.Sheets[1].Range['C5', 'H15'] do begin
  for i := 1 to Rows.Count do
    for j := 1 to Columns.Count do
      if Cells[i, j].Value < 0.1 then Cells[i, j].Value := 0;
end;