Related Tutorial: Excel Sparklines Overview.
First introduced in Excel 2010, Sparklines are tiny charts that fit into a single cell in a worksheet. They can be useful in giving you a quick look at trends or changes that may not be easily spotted in the data itself.
Sparklines Step by Step Tutorial
This tutorial specifically covers creating and formatting a line sparkline. Since the steps for creating all sparklines are the same, this tutorial can also be used to create a column or win/loss sparklines as well.
The steps in this tutorial are: