| Interface | Description |
| IAxes | Represents the axes of a chart. |
| IAxis | Represents a chart axis. |
| IAxisTitle | Represents the title of an axis. |
| IChart | Represents a chart which may be a shape on a worksheet or a chart sheet in a workbook. |
| IChartArea | Represents the chart area of a chart. |
| IChartFormat | Represents the formatting options of various chart objects. |
| IChartGroup | Represents options for one or more series of a chart. |
| IChartGroups | Represents a collection of chart groups associated with a chart. |
| IChartTitle | Represents the chart title of a chart. |
| IDataLabel | Represents a single data label of a data point or trendline. |
| IDataLabels | Represents all of the data labels of a series. |
| IDataTable | Represents a chart data table. |
| IDownBars | Represents the down bars on a line chart. |
| IDropLines | Represents the drop lines on a line or area chart. |
| IErrorBars | Represents the error bars of a series. |
| IFloor | Represents the floor area of a 3D chart. |
| IGridlines | Represents the major or minor gridlines of an axis. |
| IHasAxis | Represents the properties used to determine which axes are displayed on a chart. |
| IHiLoLines | Represents the high-low lines on a line chart. |
| ILeaderLines | Represents the leader lines of a series. |
| ILegend | Represents a chart legend. |
| IPlotArea | Represents the plot area of a chart. |
| IPoint | Represents a single data point of a series. |
| IPoints | Represents all of the data points of a series. |
| ISeries | Represents a chart series. |
| ISeriesCollection | Represents all of the series of a chart or chart group. |
| ISeriesLines | Represents the series lines on a stacked bar or pie of pie chart. |
| ITickLabels | Represents the axis labels of an axis. |
| ITrendline | Represents a trendline of a series. |
| ITrendlines | Represents all of the trendlines of a series. |
| IUpBars | Represents the up bars on a line chart. |
| IWalls | Represents the front and side wall area of a 3D chart. |