How to Extend a Trendline on Excel. Excel allows you to add charts to enable others to visualize the data you're presenting. Because there are a variety of charts available, such as line and bar ...

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.

How to Extend Column Equations in Excel. Microsoft Excel spreadsheets frequently use similar formulas along columns. For example, you might need to keep a running total or tabulate a list of ...