Desktop office suite for Windows to create documents, spreadsheets, and presentations with strong Microsoft Office compatibility.
A comprehensive open-source office and graphic art suite developed by the KDE community.
End-to-end encrypted collaboration suite. Documents, spreadsheets, and more with zero knowledge.
We are a hosting provider that owns and manages its own network and hardware and is well known and trusted in the circumvention technology and technology for hu
A Swiss-hosted secure email service providing webmail, custom domains, and integrated calendar and contact synchronization.
A comprehensive, privacy-focused collaborative suite of tools including email, storage, and video conferencing hosted exclusively in Switzerland.
Free and open-source office productivity suite managed by The Document Foundation.
German secure email and collaboration suite (Mail, Drive, Meet, Office) with GDPR compliance and hosting in certified German data centres.
A self-hosted, open-source content collaboration platform for file sharing, communication, and productivity.
Global leader in open-source communication and office productivity software for service providers and enterprises.
A Norwegian provider of secure, privacy-focused email, calendar, and domain hosting services.
German-developed office suite and PDF editor focusing on privacy, GDPR compliance, and compatibility with Microsoft Office formats.
Microsoft 365 alternatives compared
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| Service | Headquarters | Data hosting | EU data residency | Low Cloud Act exposure | Open source |
|---|---|---|---|---|---|
| Ashampoo Office | Germany | Not stated | No | Yes | No |
| Calligra Suite | Germany | Self-hosted | No | Yes | No |
| Collabora | United Kingdom | Customer-defined | No | Yes | Yes |
| CryptPad | France | Not stated | No | Yes | Yes |
| Framasoft | France | France | Yes | Yes | Yes |
| Greenhost | Netherlands | Netherlands | Yes | Yes | No |
| Infomaniak | Switzerland | Switzerland | Yes | Yes | No |
| Infomaniak kMail | Switzerland | Switzerland | Yes | Yes | No |
| Kolab Now | Switzerland | Switzerland | Yes | Yes | No |
| KSuite | Switzerland | Not stated | No | Yes | No |
| LibreOffice | Germany | Not stated | No | Yes | No |
| mailbox | Germany | Germany | Yes | Yes | No |
| Nextcloud | Germany | Customer-defined | No | Yes | Yes |
| Nextcloud Office | Germany | Germany, France, Global / multi-region | No | Yes | Yes |
| ONLYOFFICE | Latvia | Latvia, Singapore | No | Yes | Yes |
| Open-Xchange | Germany | Not stated | No | Yes | No |
| Runbox | Norway | Norway, United States | No | No | No |
| SoftMaker Office | Germany | Not stated | No | Yes | No |
Frequently asked questions about Microsoft 365 alternatives
What are the best EU alternatives to Microsoft 365?+
The EU Alternatives Directory lists 18 European alternatives to Microsoft 365, including Ashampoo Office, Calligra Suite, Collabora. Each one is checked for European headquarters and data protection practices.
Why switch from Microsoft 365 to an EU alternative?+
An EU-based alternative keeps your data under European jurisdiction and GDPR. It reduces exposure to the US Cloud Act and foreign data access laws.
Are EU alternatives to Microsoft 365 as good?+
Many EU alternatives to Microsoft 365 offer comparable features, with the added benefit of European data residency and digital sovereignty.
How are these Microsoft 365 alternatives verified?+
We check the legal entity, country of headquarters and hosting locations. Only providers based in the EU, EEA, UK, Switzerland or Ukraine are listed.