The term 'spreadsheet stuff' can be broken down into two crossword solutions: DATA (4 letters). DATA is information that is organized and stored in a way that can be easily accessed, manipulated, and analyzed. It is often used to create reports, charts, and other visualizations. DATA can come from a variety of sources, including databases, surveys, and other sources. DATA is an important part of any spreadsheet, as it provides the basis for calculations and analysis.