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Defines the selected cell range as a group of rows or columns.

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.

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Fileres

Groups the selected rows.

Columnes

Groups the selected columns.

Grouping and ungrouping is not tracked. Group is greyed out when track changes is on.