Many Excel spreadsheets use the IFERROR function to handle errors, but this masks critical structural and data issues.

Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

Have you ever stared at a beautifully organized table in Excel—rows and columns perfectly aligned—only to realize it’s a nightmare for analysis? Cross-tab layouts, while visually appealing, can feel ...

While Excel is a powerful tool for data analysis, the built-in functions can feel limiting at times. When you work with complex calculations or large datasets, or perhaps want to create more ...