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PowerPoint 2010 provides all the basic chart types such as column, bar, line, pie, etc. (see Figure 1) -- and also some advanced charts like radar, surface, bubble, doughnut, etc. (see Figure 2). Together, all these chart types cater for almost every kind of graphical data representation.

Figure 1: Bar, Column, and Pie Chart Types

Figure 2: Bubble, Surface, and Radar Chart Types

To change a chart type from one to another, you first need to have a chart in your presentation. Learn how to insert a chart in PowerPoint 2010.

Now follow these steps to change the chart type in PowerPoint 2010:

1. Select the chart to activate the Chart Tools tabs in the Ribbon area, as shown in Figure 3. All put together, there are three Chart Tools tabs.
   
   
   Figure 3: Chart Tools
   
   
2. Select the Chart Tools Design tab of the Ribbon (see Figure 4).
   
   
   Figure 4: Chart Tools Design tab
   
   
3. Click the Change Chart Type button -- this is normally the first button from the left (refer to Figure 4 above).
   
   
4. This summons the Change Chart Type dialog box, as shown in Figure 5.
   
   
   Figure 5: Change Chart Type dialog box
   
   
5. As you can see in Figure 5, the left pane of this dialog box displays a list of chart types to choose from -- and on the right pane, you will see sub-types based on the chart type chosen in the left pane. Select the type and the sub-type you want.
   
   
6. Now click OK to get back to the slide with the changed chart type, as shown in Figure 6.
   
   
   Figure 6: Changed chart type
   
   
7. Save your presentation.

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