Denmark is testing whether digital sovereignty can work in practice

A policy shift with clear symbolic weight

Denmark’s move to replace Microsoft Office 365 with LibreOffice is notable not simply because it changes a software stack, but because it reframes office software as a matter of state capacity. What is being challenged here is the long-standing assumption that public institutions must rely on large foreign proprietary platforms to function efficiently. By shifting the Ministry of Digital Affairs toward an open-source alternative, Denmark is signaling that digital infrastructure is no longer just an operational choice, but a strategic one.

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The policy has also required important clarification. Early accounts suggested a full departure from Windows in favor of Linux, but that interpretation has since been corrected. Windows will remain on many devices, at least for now, while the core transition concerns office productivity tools rather than an immediate overhaul of every layer of the ministry’s computing environment. That distinction matters, because it shows the government is pursuing a targeted and phased intervention rather than a sweeping technological rupture.

Why the government sees dependence as a risk

The underlying rationale is rooted in digital sovereignty. For Denmark, dependence on software vendors headquartered outside Europe raises questions that go beyond pricing or convenience. It touches control over data, exposure to external product decisions, and the broader issue of how much autonomy a state can preserve when critical administrative functions are tied to proprietary systems it does not shape. LibreOffice is being positioned not only as a cheaper tool, but as a way to reclaim decision-making power over public digital operations.

Cost is part of that equation, but not the whole of it. Proprietary software typically brings recurring licensing fees, contractual lock-in, and long-term budget exposure. Open-source alternatives offer the prospect of lower structural costs over time, while also providing greater auditability and flexibility. In principle, that makes them attractive to governments that want software to align more closely with local regulatory, security, or language requirements rather than adapt public processes to the logic of a vendor’s ecosystem.

A careful rollout will matter more than the announcement

The implementation plan reflects that this is a politically significant move, but also a technically delicate one. Roughly half of the ministry’s employees were expected to begin using LibreOffice during the summer of 2025, with the remainder set to transition by autumn. That pacing suggests the government understands the success of the project will depend less on the decision itself than on how disruption is managed during adoption.

Compatibility remains the central operational test. Office workflows built around Microsoft formats, macros, and longstanding document habits are rarely easy to replace without friction. Even when migration is feasible, formatting inconsistencies, broken automations, and unfamiliar interfaces can slow work and frustrate users. In public administration, the real measure of digital independence is not ideological coherence, but whether staff can continue working without losing reliability, speed, or trust in their tools.

The broader importance lies beyond one ministry

Denmark’s approach is also being watched because it may shape how other European institutions think about public-sector software choices. Municipalities such as Copenhagen and Aarhus are already exploring or initiating similar moves away from Microsoft products, suggesting this is not an isolated administrative experiment but part of a wider reconsideration of technological dependency. If the Danish transition proves workable, it could strengthen the case for treating open-source software as a viable pillar of government infrastructure rather than a niche alternative.

That said, the state has left room for pragmatism. Officials have acknowledged the possibility that if serious problems emerge, Microsoft tools may need to be brought back into the workflow. This makes the project more credible, not less. What Denmark is attempting is not a symbolic rejection of commercial software at any cost, but a practical test of whether sovereignty, cost control, and operational resilience can be aligned in the real world. Its significance will ultimately depend on whether that alignment can be maintained beyond the policy announcement and inside the daily routines of government work.

Author:
Lucia Mihalkova
COO of Webiano Digital & Marketing Agency