Tools - Marking Cells - Edit Marked Cells Layout

Ribbon bar. Select the Tools tab. Click Marked Cells and from the menu, select Edit Marked Cells Layout...

Classic menus. From the Tools - Marking Cells submenu, select Edit Marked Cells Layout...

...to display the Edit Spreadsheet Layout dialog box, which is used to edit the Marked Cells spreadsheet layout. See also: Format - Overview and Spreadsheet Layouts - Overview.