By unchecking to compare pairwise, you can fill out exactly which columns to test in the bottom of the window. Like that you can e.g. test the different combinations of the first 4 columns of the table and the next three as well: “ABCD;EFG”.
Per default Significance Characters in cells in tables as in column/rows in charts are displayed in Superscript. This default setting can be deactivated in OfficeReportsàSetttingsàSignificant Characters - Superscripts