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2026-05-13

My Spreadsheet Keeps Breaking — Why It Happens and What to Do

Common reasons business spreadsheets break — formula errors, corrupted files, too many rows, formatting issues — and when the answer is a proper application.

Sound Familiar

You open the spreadsheet and half the formatting is gone. A formula that worked yesterday now shows an error. Someone added a row and every SUM below it is wrong. The file takes 45 seconds to open. Conditional formatting has stopped working on the new rows. These are not bugs — they are symptoms of a spreadsheet that has outgrown its purpose.

Why Spreadsheets Break

Spreadsheets are designed for calculations, not for database management. When you use them as databases — tracking staff, managing compliance, logging equipment — they break in predictable ways. Formulas reference specific cells, so adding or removing rows breaks them. Conditional formatting rules have limits. File size grows until performance degrades. Vlookups across sheets become fragile chains that fail silently.

The Warning Signs

If your spreadsheet has more than 500 rows, uses VLOOKUP or INDEX/MATCH extensively, relies on conditional formatting for status tracking, is shared between 3 or more people, or contains formulas that nobody fully understands anymore — it is time to consider proper software. These warning signs indicate the data has outgrown the tool.

What a Replacement Looks Like

A web application replaces the spreadsheet with a proper system. Data is stored in a database, not in a grid of cells. Adding new records does not break anything. Multiple users can work simultaneously. Formulas are replaced with reliable code that cannot be accidentally deleted. Status tracking uses proper logic, not fragile conditional formatting rules.

The Migration Is Easier Than You Think

Your existing spreadsheet data can be imported into the new system. I have migrated spreadsheets with thousands of rows — it is a standard part of the process. You do not lose any data, and you gain reliability, speed and features that spreadsheets cannot provide.

Ready to Fix It Properly

If your critical business spreadsheet keeps breaking, the fix is not a better spreadsheet — it is a proper application. Get in touch and show me the spreadsheet. I will tell you honestly whether it needs replacing and what the replacement would cost.


Got a Spreadsheet That's Driving You Mad?

Send it over — I'll tell you what an app version would look like and what it'd cost. No obligation.

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