
Press Ctrl+Q to launch. Watch values resolve step by step, see which branches of IF/IFS/CHOOSE are taken, and view the exact ranges used by VLOOKUP, INDEX, INDIRECT, and more.
Navigate with the arrow keys: ← / → expand or collapse nested layers, ↑ / ↓ jump to referenced cells. On very large files, enable Sandbox Sheet Evaluation in Settings → Formula Evaluation for consistently smooth performance.
