Category: Collaboration
8 European alternatives to Microsoft 365 — GDPR-compliant & EU-hosted.
Microsoft's cloud productivity suite including Teams, Outlook, and Office
Facts
- Headquarters
- US (US)
- Category
- Collaboration
- Type
- Product
- GDPR-compliant
- Yes
- Open-source
- No
- Data hosting
- US, EU, APAC
Top EU-based & GDPR-compliant alternatives to Microsoft 365
- ONLYOFFICE↗
ONLYOFFICE is a Latvian office suite that was open source (AGPLv3) until version 9.4 (May 2026), when additional Section 7 terms were introduced requiring logo retention in forks while simultaneously denying trademark rights. The Free Software Foundation ruled this a prohibited further restriction under AGPLv3 Section 10, breaking OSI compliance. The software is now effectively source-available with restrictions.
LV · commercial
- SoftMaker Office↗
German office suite with strong Microsoft Office compatibility and cross-platform support
DE · commercial
- Ashampoo Office↗
German office suite with word processing, spreadsheets and presentations, Microsoft format compatible
DE · commercial
Frequently asked questions
What is the best European alternative to Microsoft 365?
It depends on your use case. Strong EU alternatives to Microsoft 365 include Office.eu, ONLYOFFICE and SoftMaker Office. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.
Are there open-source alternatives to Microsoft 365?
Yes. Open-source EU alternatives to Microsoft 365 include Office.eu, Nextcloud, Open-Xchange and CryptPad. These keep your data fully under your own control and let you self-host if you want to.
Is Microsoft 365 GDPR-compliant and where is the data hosted?
Microsoft 365 is headquartered in US and hosts data in US, EU, APAC. The vendor states it is GDPR-compliant, but the data falls under non-EU jurisdiction. For full EU data residency the EU alternatives on this page usually offer more certainty.