Become a Microsoft Excel expert with the help of this $30 training Brush up on your Excel skills. Greta Good FacebookTwitterEmail StackCommerceStackCommerce We'd like to start out by saying that this is a safe space here. We can be honest about what we know, or don't quite know how to do. Somewhere along the way, there's a good chance that you convinced yourself it was a good idea to put "Proficient", or even worse, "Advanced", at Microsoft Excel on your resume, when deep down, you know that really isn't the case. It's a really tough job market out there and it's totally understandable why you'd want the extra leg up.