True if the user is able to group fields on the row axis or the column axis in the specified PivotTable list. If this property is set to False, the grouping buttons are disabled but the user can still group fields programmatically. The default value is True. Read/write Boolean.
Remarks
When this property is set to False, pivoting is disabled. This means that membership in the row and column areas is fixed; you cannot drag a field to or from these areas. All commands related to grouping are disabled, including the following commands:
The report layout is frozen, but the user can still filter the data.