TL;DR: As of May 8, you can master Microsoft Excel with free online courses on Udemy.
There are absolutely loads of online courses out there that provide you with the opportunity to learn something new. The problem is that the best courses don’t tend to come cheap.
Sometimes it’s necessary to spend big on an education in a specialist subject, and we’re all for investing in your future, but there is another way. If you’re patient and ready to capitalise on an opportunity when it presents itself, you can take some of the best online courses for free.