Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with confidence.

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

FORECAST.ETS applies an exponential triple smoothing (ETS) algorithm to create forecasts that can include trend and seasonal ...

But more seriously, because AI offers enormous benefits for medical diagnoses and treatments and addressing climate change, ...

Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.