Chart.SaveChartTemplate (Excel)

Saves a custom chart template to the list of available chart templates.

By default, this method saves the active chart to the user's chart template directory. If a UNC or URL is specified, the chart will be saved to the specified location instead.

SaveChartTemplate (Filename)

Filename: The name of the chart template.

ActiveChart.SaveChartTemplate _ 
 Filename:="Presentation Chart"