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Disclaimer: Star Stack provides information about European technology services for educational purposes only. Service listings, sovereignty assessments, and recommendations do not constitute legal, financial, or professional advice. We encourage you to verify all information independently and consult appropriate professionals before making technology decisions. Star Stack is not affiliated with any listed services unless explicitly stated.

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EU Alternatives to Microsoft 365 | Star Stack

Audit
Microsoft 365

Microsoft 365

Non-EU Service

Microsoft Corporation

microsoft.com/microsoft-365

Suggest Alternative

Catalogue alternatives(1)

Compare catalogue facts and required capabilities for Microsoft 365. Hosting and operating responsibilities need a separate deployment review.

What must your replacement support?

calendarcollaborationdocsemailstorage

Only candidates with recorded coverage of every selected requirement are shown. Unrecorded coverage is unknown. Confirm features in the linked documentation before migrating.

Sovereignty

Coverage

No single-service full replacement

Available alternatives cover some features of Microsoft 365. Consider combining partial replacements or check the combination stacks below.

Partial Replacements (1)

Migration Resources

No migration guide is currently listed for this service.

Suggest a migration guide or report an outdated link.

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EU VC-BackedSelf-HostableAGPL-3.0

Backend-as-a-Service (BaaS)

ONLYOFFICE

Open source office suite with MS Office compatibility and self-hosting

Coverage: Partial