Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Excel files bloat from ghost used ranges, formatting, pivot caches, and images. These quick fixes massively cut the size of ...

Using the example in our spreadsheet or a similar spreadsheet, highlight all the revenue numbers in the sheet and then in the ...

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

Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.

Learn to calculate production costs in Excel using templates and formulas. Streamline expenses and improve financial management with our comprehensive guide.