DOCXDOCX: opens and saves, partial fidelity. Complex layouts and styles can change on import and export
DOCDOC: opens only, partial fidelity. Opens DOC files; downloads are offered as DOCX, ODT, RTF and PDF
RTFRTF: opens and saves, partial fidelity. Basic formatting carries over
ODTODT: opens and saves, partial fidelity. Basic formatting carries over
PDFPDF: opens and saves, partial fidelity. Exports PDF; a PDF opened with Google Docs is converted to text and loses its layout
Needs a Google account and a browser or the mobile app. DOCX import and export work, but complex layouts and styles can change. Free version: Free with a personal Google account and 15 GB of shared storage. Google Workspace plans add admin controls and more storage.
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Feature parity
How each alternative covers what people use Microsoft Word for. Numbers link to editor notes.
NoNote 19No built-in AI by design as of 26.8; community extensions can connect outside models
PartialNote 20AI plug-in works with your own provider and API key
NoNote 21Gemini in Docs needs a paid Google AI or Workspace plan; some personal accounts get Help me write as an experiment
Parity score
57%
64%
50%
LibreOffice Writer, Complex DOCX layout fidelity: Opens and saves DOCX; complex layouts and some fonts can shift
ONLYOFFICE Desktop Editors, Complex DOCX layout fidelity: Uses OOXML as its native format
Google Docs, Complex DOCX layout fidelity: Imports DOCX; complex layouts and styles can change
LibreOffice Writer, Track changes and comments: Record, accept and reject changes with comments
ONLYOFFICE Desktop Editors, Track changes and comments: Review mode with comments and tracked changes
Google Docs, Track changes and comments: Suggesting mode and comments
LibreOffice Writer, Real-time co-authoring: The desktop app has no real-time co-authoring
ONLYOFFICE Desktop Editors, Real-time co-authoring: Real-time co-editing needs a connected ONLYOFFICE or Nextcloud server
Google Docs, Real-time co-authoring: Live editing for many people at once
LibreOffice Writer, Styles, templates and mail merge: Styles, templates and mail merge are built in
ONLYOFFICE Desktop Editors, Styles, templates and mail merge: Styles and templates; mail merge is supported
Google Docs, Styles, templates and mail merge: Styles and templates; mail merge needs an add-on
LibreOffice Writer, Footnotes, citations and cross-references: Footnotes, endnotes, cross-references and a bibliography database
ONLYOFFICE Desktop Editors, Footnotes, citations and cross-references: Footnotes, cross-references and tables of contents; citations come from Zotero or Mendeley plug-ins
Google Docs, Footnotes, citations and cross-references: Footnotes and a citations sidebar; no endnotes or cross-references
LibreOffice Writer, VBA macros: Basic and Python macros; Word VBA macros often need rewriting
ONLYOFFICE Desktop Editors, VBA macros: Macros are written in JavaScript; VBA code does not run
Google Docs, VBA macros: Uses Apps Script instead of VBA
LibreOffice Writer, Built-in AI writing assistant: No built-in AI by design as of 26.8; community extensions can connect outside models
ONLYOFFICE Desktop Editors, Built-in AI writing assistant: AI plug-in works with your own provider and API key
Google Docs, Built-in AI writing assistant: Gemini in Docs needs a paid Google AI or Workspace plan; some personal accounts get Help me write as an experiment
Not covered by any free alternative yet: VBA macros, Built-in AI writing assistant. See all feature gaps
File formats
Can each alternative open and save Microsoft Word files?