For four decades, the spreadsheet has been the go-to tool for organizing work, arranging data, and sorting stuff. But experience has shown that it’s not very good for managing projects, especially in the digital age. These days, managing complex projects using spreadsheets is a boondoggle that will end up costing you plenty in wasted time and resources. As evidence, here are five ways that spreadsheets are costing your organization and how to avoid them.