Popularity - Since the Microsoft Office suite is standard in most business software, Excel is likely already loaded on your machine and the machines of folks with whom you will be sharing documents.Of course, Microsoft Excel isn’t the only tool available for data analysis at work, but it is one of the favorites for a couple of reasons: It establishes relationships or patterns between different sets of data so that you’re in a better position to respond to current and future situations of that nature. Data analysis is taking raw data and turning it into information that’s useful for decision-making.