https://thenextweb.com/offers/2019/01/14/get-certified-as-an-excel-pro-for-only-34/

There are plenty of skills you can learn in 2019, but few will have as much of an impact on your professional development like mastering Excel. For over 30 years, the venerable Office anchor and its spreadsheet goodness has led the way in data collection and presentation, and its value is only going to increase in the future.

What’s more, Excel certification boosts your earnings potential and chances of promotion by about 12 percent over the non-certified, making it all the more worthwhile to master.