property Column.Data as Variant
Associates an extra data to the column.

TypeDescription
Variant A Variant expression that indicates the column's extra data.

Use the Data property to assign any extra data to a column. Use the CellData property to assign an extra data to a cell. Use the ItemData property to assign an extra data to an item. Use the SortUserData or SortUserDataString type to sort the column based on the CellData value.