Optimize Your Spreadsheets: Structure Over Formulas for Success by Geethasree NaguboinaOptimize Your Spreadsheets: Structure Over Formulas for Success by Geethasree Naguboina
Optimize Your Spreadsheets: Structure Over Formulas for Success
• formulas reference half the sheet
• headers change across tabs
• logic is embedded inside long nested formulas
• no one knows where the numbers actually come from
The result?
Small updates quietly break the entire model.
A simple structure solves most of this:
Raw Data → Processing → Output → Documentation
Raw data stays untouched.
Processing handles the logic.
Output shows only what decision-makers need.
Documentation explains how metrics are calculated.
Clean structure reduces fragility and makes updates predictable.
Good spreadsheets aren't just about formulas.
They’re about clear data flow and transparent logic.
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Posted Mar 6, 2026
Most spreadsheet problems are not Excel problems.
They’re structure problems.
I often see spreadsheets where:
• formulas reference half the sheet
• headers c...