Learn how to use Excel to your advantage. This Microsoft Excel Beginner to Advanced course normally goes for $80, but until April 2 at 11:59 p.m., PT, you can grab it on sale for $16.97.

I always advise Excel beginners to familiarize themselves with Power Pivot and DAX formulas. They are the dynamic duo of data analysis in Excel.

This powerful Excel feature cuts the time you spend on formulas in half. In this concise course, Excel trainer Dave Ludwig demystifies PivotTables and shows you how to get started using them to ...