How to Use Graph Callouts in PowerPoint. Microsoft PowerPoint presentations enable you to show a large amount of information in easily digestible portions. A callout is a way to highlight an area ...

You can change the default color of chart, graph, treemap, etc. in Word, Excel, and PowerPoint with the helpof these simple steps.

How to Get Chart Bars to Show Red When the Value Is Less Than Zero in Excel?. When you create a chart in Excel using positive and negative values, both positive and negative graphs are the same ...