Head-to-head · Office Suite
Microsoft Office vs LibreOffice
Which one to pick in 2026 — comparing 🇺🇸 Microsoft Office with the European alternative 🇪🇺 LibreOffice on the things that actually decide who can read your data.
🇺🇸 Microsoft Officevs🇪🇺 LibreOffice
Verdict
Who has stronger privacy guarantees by law?
LibreOffice — GDPR-native and outside the US CLOUD Act / FISA 702 reach.
Which one encrypts your data end-to-end by default?
Neither ships full E2E by default — check the table for nuance.
Which one tracks you for ads?
Neither monetises through ad tracking.
Which one is open source?
LibreOffice is open source. Microsoft Office is proprietary.
Side-by-side
Microsoft Office vs LibreOffice — full comparison
Criteria
🇪🇺 LibreOffice
🇺🇸 Microsoft Office
Headquarters
Berlin, Germany
Redmond, USA
Jurisdiction
Germany (GDPR)
USA
Data location
Local install
Global
GDPR-native
Yes
No
CLOUD Act / FISA exposed
No
Yes
Ad tracking
No
No
End-to-end encryption
No
No
Open source
Yes
No
Ownership
The Document Foundation (non-profit)
Microsoft Corp.
Founded
2010
1990
Make the switch
Try LibreOffice instead of Microsoft Office
The free office suite trusted by governments across Europe.
Other European alternatives to Microsoft Office