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

IronCalc brings fast, Excel-compatible spreadsheets to your browser without locking you into Microsoft 365 or Google’s cloud.

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

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