Excel charts containing large amounts of data prevent readers for easily reading small segments. For example, if a chart tracks your company's daily sales over the course of several years, you cannot ...

Click the menu at the top left of a chart, beside the market name – or right-click on a market in a list – and select ‘open in new window’ in the dropdown.

"Presenters are usually guilty of including too much data in their on-screen charts," says Garr Reynolds, author of Presentation Zen. It's not that charts are bad in a PowerPoint presentation, but ...