Software & Apps

Most Excel work is not typing formulas — it is moving around, selecting, copying, and formatting. The mouse does all

SUMIF adds up only the numbers that meet a condition you set. Instead of adding a whole column and then

INDEX and MATCH are two separate Excel formulas that become far more powerful together. Used as a pair, they do

A drop-down list is the simplest data-quality tool in Excel: instead of typing, the user picks from your list —

XLOOKUP is the modern replacement for VLOOKUP: it does the same job — find a value, return matching information —

Duplicate rows quietly ruin spreadsheets: mailing lists that send twice, stock counts that double up, sales totals that include the

Google Sheets can do far more than store numbers in boxes — but only if you know a handful of

VLOOKUP is the Excel formula beginners meet first — and the one that saves the most time once it clicks.