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.

Can Excel show column headers on every screen? Yes, in Excel it’s called Freezing Panes, which can be applied to columns or rows (or both), and it’s super-simple.

You can add a column in Excel by right-clicking or using the “Insert” option. These features are helpful for adding new data to a spreadsheet.