Excel is a great program with hundreds of helpful functions. Unfortunately, one function it's lacking is a simple way to merge two or more columns while preserving all of their data. If you try to use ...

Don't copy formulas cell by cell — you're working way harder than you need to.

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 ...

Build formulas that remember what came before.

In Excel, the calculation in the first row is correct, but when I copy it down, the second row becomes 0. Even if I recreate ...

Have you ever carefully crafted a formula in Excel, only to watch it unravel into chaos the moment you copy it across columns? It’s a maddening quirk of Excel tables—structured references that seem to ...