Excel is my all-in-one tool for everything from project management to invoicing

Microsoft Excel is one of the most popular tools out there for number-crunching. However, there are a plethora of other ways you can use the software and get the most out of it. For instance, I am a freelancer who works with multiple clients. I use Excel for everything from managing my projects and tracking my progress to generating invoices and maintaining a database of potential leads. In fact, it's the only app I use to manage my work -- eliminating the need for a dedicated project management tool.