This overlooked Excel feature replaces tedious typing with a form interface that speeds up data entry, protects formulas, and simplifies searching.

Data validation in Excel is more than just dropdown lists—it’s a powerful safeguard that can prevent costly mistakes before they happen. From blocking duplicates to enforcing formats and date ranges, ...

Your summarizations, analyses, projections, reports and so on, are only as good as your data. It’s important that you use every resource available to protect the validity of the data, which means you ...