To edit the contents of a title, click the chart or axis title that you want to change. To edit the contents of a data label, click two times on the data label that you want to change.

Select Centered Overlay to lay the title over the chart, or More Options for additional choices. Right-click the chart title to format it with options like Fill or Outline.

To avoid spacing problems caused by lengthy chart or axis titles in a chart, you can change the way that titles are positioned. You can drag the titles to the location that you want, or you can …

To easily update a chart or axis title, label, or text box that you have added to a chart, you can link it to a worksheet cell. Changes that you make to the data in that worksheet cell will …

To change the text font for any chart element, such as a title or axis, right–click the element, and then click Font. When the Font box appears make the changes you want.

Change or create legend names for an Excel chart by editing the legend name cells or using the Select Data option.

Change the text and format of category axis labels and the number format of value axis labels in your chart (graph).

Right-click the chart with the data series you want to rename, and click Select Data. In the Select Data Source dialog box, under Legend Entries (Series), select the data series, and click Edit.

Chart Title - You can turn the chart title off or place it above the chart or centered inside the chart. To edit the chart title turn it on here, then tap on the chart title in the chart itself and type a new …

On the worksheet, click the cell that contains the name of the data series that appears as an entry in the chart legend. Type the new name, and then press ENTER.