Launch Microsoft Excel. To highlight lines in an existing Excel document, click the "File" tab. Click "Open," browse to the spreadsheet and double-click it. Otherwise, Excel opens a new spreadsheet ...

The interval between the gridlines in an Excel chart is typically blank, but you can highlight the intervals using an alternating pattern by changing the formatting for the gridlines themselves.

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. There are lots of ways to highlight a specific element in a Microsoft Excel ...