Question

Excel print gridlines by default

Answer 1

By default, gridlines don't appear on a printed Microsoft Excel worksheet or workbook.
Preview the gridlines    – To see how the gridlines will print, press Ctrl+F2 to open the Filetab, which displays a preview of printed worksheet. Gridlines print only around actual data in a worksheet. If you want to print gridlines around empty cells also, you must set the print area to include those cells. Or, you can apply borders around the cells instead