DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000, which is the only version that explains how this function works.

Learn the most important Excel formulas in just 15 minutes. Excel has over 470 functions, so this video uses a fast-track method grouping formulas into five steps to help you remember: MATH, TEXT, ...

Finding the exact difference between two dates in Excel may not be the most used feature, but it can be a lot of fun. A classic example is working out someone’s age. It’s not as complicated as it ...