LibreOfficeDev 25.2 Help
cSvFF‖Defines the selected cell range as a group of rows or columns.
GDjRm‖When you group a cell range, and outline icon appears in the margins next to the group. To hide or show the group, click the icon. To ungroup the selection, choose Data – Group and Outline - Ungroup.
5BrbE‖Groups the selected rows.
EA2d7‖Groups the selected columns.
EnEBx‖Grouping and ungrouping is not tracked. Group is greyed out when track changes is on.