The Draw tab is not on Excel's ribbon by default. Learn how to enable, add and use the Draw tab and the various drawing tools in Excel.

While the tabs give you access to most of the tools needed for formatting a chart, I prefer using Excel's Format Chart Pane, as it contains even more options for tailoring your chart to your needs.

While Excel includes a legend automatically when you create the scatter plot, there are a number of ways to delete it; if your legend is missing you can get it back through the "Layout" tab.