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Excel Is Not an Operating System for Your SME

Published on June 9, 20263 min read

Excel is rarely the problem

Excel is not bad. For lists, analysis, calculations, and quick experiments, it is one of the most useful tools in a company. The problem starts when Excel takes over work it was never built for: operational control, status management, permissions, handovers, and daily collaboration.

Many SMEs grow into this situation gradually. At first, the spreadsheet is fast and flexible. Later, entire workflows depend on it. Then it becomes unclear who has the current version, which row is correct, and what should happen next.

Typical warning signs

An internal tool becomes useful when these patterns appear more often:

  • Several people edit the same spreadsheet.
  • Versions live in email attachments or local folders.
  • Status is managed through colors, comments, or abbreviations.
  • Errors happen because someone copied a row incorrectly.
  • Customers, tenants, or employees ask for information that is technically already in the sheet.
  • A list turns into tasks, appointments, documents, and responsibilities.

These are not minor cosmetic issues. They are signs that the spreadsheet has become the operating system.

What an internal tool does better

An internal tool does not have to be complicated. It can start very small. The difference is in three things:

  1. Everyone works from the same data.
  2. Status and ownership are clear.
  3. Recurring steps are guided instead of guessed.

For a property manager, this might be an overview of defect reports. For a trade business, it might be an enquiry and job overview. For an SME, it might be an internal knowledge or document structure.

Not every spreadsheet needs to be replaced

The wrong approach is to turn every Excel file into software immediately. Good software development asks first: which spreadsheet creates real costs today? Which one is used often? Where do mistakes, follow-up questions, or waiting times happen?

If a spreadsheet is used once a month for analysis, it may still be the right tool. If it controls daily operational work, it deserves a closer look.

The pragmatic transition

A good transition does not mean all spreadsheets disappear on Monday. A better start is a small slice:

  1. Select one critical workflow.
  2. Define the most important fields.
  3. Model status and ownership.
  4. Test the first version in daily work.
  5. Keep Excel where it still makes sense.

This creates an internal tool that reduces work instead of becoming yet another system.

More on the right starting point: software development in Schaffhausen for SMEs. To discuss a concrete workflow directly, visit Mario Giacchino.