Securing Critical Processes: Why the CIO Should Replace Excel with a Business Application

Hanna LEROY
December 16, 2025

In many companies, certain Excel files have gradually become true pillars of internal operations. They manage essential schedules, sensitive data, inventory, orders, or even critical operations. These files, often created as temporary fixes, eventually turn into indispensable tools, yet remain completely unsuitable for strategic business use. For a CIO, this situation represents a major risk.

When a critical process relies on an Excel file, nothing is truly secure: access cannot be properly controlled, versions circulate by email, there is no traceability for changes, formulas can be accidentally altered, and a single error can impact the entire business. The CIO becomes responsible for a fragile system that cannot be audited and is very difficult to maintain. The slightest corrupted file, mishandling, or missing version can halt production or distort business data.

To prevent these issues, more and more CIOs are looking to replace Excel with a real business application. The objective is clear: secure critical processes, ensure full traceability, control access, document how the system works, and improve data reliability. By digitalizing these workflows through a tailored solution, every action is recorded, permissions are controlled, business rules are built directly into the interface, and maintenance finally becomes structured.

A dedicated application also helps standardize practices across teams, eliminate intermediate files, and ensure total data consistency. It removes the risks tied to manual handling, reduces errors, improves collaboration, and provides continuous visibility into the entire process. The CIO saves time, strengthens information system security, and transforms an improvised setup into a controlled, durable, and scalable environment.

Replacing Excel with a business application is therefore not just a technical upgrade, it is a strategic step that protects the company, professionalizes its processes, and ensures operational continuity.

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Hanna LEROY
December 16, 2025