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Microsoft Exchange Online alternatives compared
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| Service | Headquarters | Data hosting | EU data residency | Low Cloud Act exposure | Open source |
|---|---|---|---|---|---|
| Mailcow | Germany | Self-hosted | No | Yes | Yes |
Frequently asked questions about Microsoft Exchange Online alternatives
What are the best EU alternatives to Microsoft Exchange Online?+
The EU Alternatives Directory lists 1 European alternatives to Microsoft Exchange Online, including Mailcow. Each one is checked for European headquarters and data protection practices.
Why switch from Microsoft Exchange Online 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 Exchange Online as good?+
Many EU alternatives to Microsoft Exchange Online offer comparable features, with the added benefit of European data residency and digital sovereignty.
How are these Microsoft Exchange Online 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.