Quotes, Orders, and Payroll in Excel: The Spreadsheet System Trap

The spreadsheet that became the system

It started as a quote template and grew into the whole business: customer lists, pricing, formulas refined over years, and one person who 'knows how it works'. A single fragile file is now the system of record.

What a real system changes

A web application keeps the logic — the pricing rules, the calculations — and adds what a spreadsheet can't: multiple users without conflicts, records instead of cells, permissions, history, and reporting.

From fragile to managed

Staged migration: map the workbook, rebuild the rules, move and verify data, run in parallel, then cut over. Afterward the system is hosted, backed up, and maintained — not one more fragile file on a shared drive.