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LibreOffice vs Microsoft 365: catalog facts
LibreOffice	Microsoft 365
Free Free software under the Mozilla Public License v2.0, funded by donations and by companies…	Freemium Free web versions are available. Desktop apps require a paid subscription.
Windows, macOS, Linux	Windows, macOS, Android, iOS, Web
One suite with six tools: Writer, Calc, Impress, Draw, Base and Math Opens and saves Microsoft Office formats as well as OpenDocument	The reference implementation of the formats everyone else has to match Desktop, web and mobile apps with real-time co-authoring
Complex Word and Excel documents can shift layout, particularly with heavy formatting or macros The interface looks dated next to Microsoft 365 unless you switch to a tabbed layout	Subscription pricing, with the desktop apps behind it Closed source, and heavily tied to a Microsoft account
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	Account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.