Sparklines are in-cell charts in Microsoft Excel that are easy to create and extremely helpful, but they can be more insightful with just a few specific settings.

Next, tidy up the appearance of your text. Stick to clean, professional fonts like Calibri, Arial, or Times New Roman, and use consistent sizes—say 12pt for headers and 11pt for all other text. Align ...

You can quickly highlight the trends by using sparklines, which are mini graphs of selected data. In the Excel screenshot below, for example, the sparklines in Column F are mini line graphs showing ...