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