This Excel training bundle is majorly marked down—there's never been a better time to brush up on your spreadsheet skills.

Learn MS excel at home for free through the MOOC platforms. Find out best Excel online courses designed for beginners, intermediate, and advanced level learners.

The All-in-One Microsoft Excel Certification Training Bundle has a set of courses that will help you make the most out of the datasheet program and move toward mastery.

They choose between the original or the advanced course (or shell out $997 for a course on the full Microsoft Office Suite), going from a total Excel newbie to a pro in just 12 hours.

The Professional Microsoft Excel Certification Training Bundle ($39) teaches how to deliver data crunches and advanced analytical presentations. Valued at $1,600, the 45-hour, eight-course ...