Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any growing sheet.

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

Q. How do I spill formulas in Excel? A. Spilling is a feature available in Excel 365 and later versions. With spilling, you can create a formula in one cell, and that formula will then spill over into ...

Select all the relevant cells, and in the Data tab, click the main part of the split "Data Validation" button. Then, click ...

Microsoft Excel was first released in 1987 and — despite popular competitors such as Google Sheets — is still used by millions of businesses throughout the world. Described as the “world’s most ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amy is an ACA and the CEO and founder of ...

A practical guide to Excel sheet formulas, covering essential functions for faster calculations, cleaner data, and smoother ...