Reset Method
Resets the specified Heading object. Use this method to reset a specific row or column heading. Use the ResetHeadings method if you want to reset all row and column headings in a window to their default values.
expression.Reset
expression Required. An expression that returns a Heading object.
Example
This example resets the caption of column D in the active window of Spreadsheet1 to its default value.
Spreadsheet1.ActiveWindow.ColumnHeadings(4).Reset