How-To Geek on MSN

You need to know the difference between a range and an array in Excel

Understand the correct terminology to understand how Excel works in the background.

Stop Rewriting Formulas : Handle Functions Like Data in Excel and Power Query

Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.
How-To Geek on MSN

The 4 Excel find and replace tricks I use to save hours

Ctrl+H is the only shortcut needed for mass formatting, data, and formula correction.