Excel's functionality includes chart options you can insert to add a title directly onto a line graph, so that you don't have to insert extra text boxes or type into the cells around the graph.

How to Make and Add Labels on a Graph in Excel. For even the most new-to-the-program users, compiling a graph in Microsoft Excel is fairly intuitive. Excel offers a one-click option on its "Insert ...

In Microsoft Excel, to draw attention to a specific marker in a line chart, drop in a thin line, think of it as a marker.

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.