Displays lines that marking page size. Hides lines marking page size. Displays the cell labels of the active worksheet, this command affects only the screen. Printed documents use the “Row & Column Headings” option located in the Page Setup dialog. Hides the cell labels of the active worksheet, this command affects only the screen. Printed documents use the “Row & Column Headings” option located in the Page Setup dialog. Displays the cell grid lines of the active worksheet, this command affects only the screen. Printed documents use the “Grids” option located in the Page Setup dialog. Hides the cell grid lines of the active worksheet, this command affects only the screen. Printed documents use the “Grids” option located in the Page Setup dialog.