Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Microsoft Excel spreadsheets frequently use similar formulas along columns. For example, you might need to keep a running total or tabulate a list of product inventories. Repetitively typing each ...

Block bad data, duplicates, and incorrect dates with these custom rules.

This simple function acts as a critical safety net for your workbooks.

How to use BYCOL() and BYROW() to evaluate data across columns and rows in Excel Your email has been sent Most Microsoft Excel functions are autonomous—one result value for each function or formula.

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

Multiplying an entire Excel column by the results of a formula can be a little tricky, especially if the formula is complicated or subject to change. To simplify to process, use an absolute reference ...

When you want to fill a column in Excel with a given formula or value, you can do it the old fashioned way (select cells or the column header, CTRL+V to paste) or use can do it the much faster way by ...

Duplicates in the same column are easy to find by sorting or filtering. Duplicates that span multiple columns require a bit of setup, but the solution's not difficult to implement. Finding duplicate ...

The XLOOKUP or VLOOKUP choice is tied to scenario, as most needs are fixed lookups, letting you save time with the simpler ...