Returns or sets a Boolean (bool in C#) value that indicates whether the automatic grouping is active in the TableView object. Read/write.
Assembly: Microsoft.Office.Interop.Outlook (in Microsoft.Office.Interop.Outlook.dll)
If this property is set to True, items are automatically grouped in the view according to the arrangement specified in the Outlook user interface. If this property is set to False, items are grouped in the view according to the contents of the GroupByFields property.