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

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

Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.

Manhattan real estate prices look unsustainable. See more on rent vs buy math, present value analysis, and market risks ...

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

Constant-time code is a concept that has been developed in the area of cryptography since about 2005. It relates to the fact that implementations of cryptographic algorithms manipulate secret values, ...