LibreOffice vs Microsoft 365
Last updated August 2026
Looking for a European alternative to Microsoft 365? Here's how LibreOffice compares, on EU hosting, GDPR and what it does.
Our pick for a European buyer: LibreOffice. We weight data residency, GDPR and EU jurisdiction above everything else — that is the constraint this directory exists to solve.
What it is
Free, open-source office suite with full document control and no vendor lock-in.
not established
Headquarters
🇩🇪 DE
No
EU data residency
not established
not established
DSGVO / GDPR
Yes
not established
Certifications
No
not established
Price from
No
not established
Free plan
No
not established
Open Source
Yes
not established
Ratings
CAPTERRA 4.3/5 (2,232) · G2 4.3/5 (272) · GETAPP 4.5/5 (15) · TRUSTPILOT 2.5/5 (49) · TRUSTRADIUS 9/10 (285)
No
Integrations
MySQL/MariaDB, PostgreSQL, MS Access, Adabas D, Google Drive +21
not established
We have not yet completed our own research on Microsoft 365; rows above show only what we can evidence. Check the vendor for specifics.
Where each one wins
LibreOffice
Strengths
- +Completely free and open-source, eliminating software costs for budget-conscious users, non-profits, and educational institutions
- +Full compatibility with Microsoft Office formats (.docx, .xlsx, .pptx), enabling seamless collaboration with users of proprietary software
- +Comprehensive suite including Writer (word processing), Calc (spreadsheets with advanced formulas), Impress (presentations), and additional productivity tools in one package
- +Highly stable on Linux platforms with a clean, functional interface
- +Extensive customization options through over 600 extensions and templates
- +No vendor lock-in due to open-source licensing and support for multiple document formats
- +Regular updates and active community support
Limitations
- −Compatibility issues with complex Microsoft Office documents, particularly those with advanced formatting, macros, or embedded objects
- −User interface described as dated or less polished compared to commercial alternatives like Microsoft Office
- −Limited mobile and online collaboration capabilities, with no native mobile app and reliance on third-party solutions
Microsoft 365
Review sentiment not yet compiled.
Data residency & compliance
LibreOffice
Microsoft 365
EU data residency
not established
not established
Transfer mechanism
not established
not established
DPA
not established
not established
Sub-processors
not established
not established
Certifications
No
No
Features
LibreOffice
- Document Creation & Editing
- Writer: Advanced word processing with mail merge, track changes, comments, and document comparison, Calc: Spreadsheet tool with over 500 functions for financial, statistical, and mathematical operations, Impress: Presentation software with PowerPoint compatibility and multimedia support, Draw: Vector graphics editor for diagrams, flowcharts, and 3D artwork
- File Compatibility & Conversion
- Native OpenDocument Format (ODF) support, Full compatibility with Microsoft Office formats (DOCX, XLSX, PPTX), PDF editing and export capabilities, CSV import and export
- Collaboration & Sharing
- Track changes, comments, and document comparison, Email attachment functionality (via File > Send > As Email), Cloud storage integration with Google Drive, Nextcloud, and SharePoint, Third-party email client integration (Thunderbird, Outlook)
- Security & Accessibility
- Password protection and digital signatures, Built-in support for screen readers and assistive technologies, Open-source code available for review and modification
- Integration & Extensibility
- ODBC connectors for MySQL/MariaDB, PostgreSQL, MS Access, and Adabas D, API for third-party software integration, Extension marketplace for additional functionality
Microsoft 365
Feature breakdown not yet compiled.