ONLYOFFICE Docs, the best LibreOffice alternative
6 reasons why ONLYOFFICE Docs is the best LibreOffice alternative
Maximum compatibility with MS Office files
ONLYOFFICE Docs uses OOXML as a core format which guarantees the highest compatibility with Microsoft Word, Excel, and PowerPoint files (.docx, .xlsx, and .pptx).
Web, desktop, mobile
With ONLYOFFICE, you can work online from any browser and OS, edit docs offline with the free desktop apps for Windows, Linux, and macOS, as well as use free mobile apps for Android and iOS.
Docs, sheets, slides, forms, PDF
Edit and collaborate on text documents and spreadsheets of any complexity, create stunning presentations, view and annotate PDFs. Build professional-looking forms and templates from scratch or any existing DOCX file, let other users fill them out, and save forms as fillable PDF files.
Seamless collaboration
ONLYOFFICE Docs provides users with character- and paragraph-level co-editing modes, review and track changes, version history, comments and mentions, built-in chat, plugins for audio and video calls. You can easily share your documents with flexible permissions such as commenting, reviewing, filling forms, custom filtering.
Flexibility
You are free to choose how to use the online editors: as a part of the room-based environment ONLYOFFICE DocSpace, within any sync&share or ECM service like Nextcloud, Alfresco, Confluence, Seafile, etc., or integrated into the solution you’re building yourself.
AI helper
Connect any AI assistant to work faster, use different AI models for different tasks. Activate the AI inline agent for smart interaction with the editors. Generate and rewrite texts, expand ideas, rephrase sentences, adapt tone and style. Apply formatting without searching through menus. Easily analyze and visualize data, create images based on descriptions. Learn more
Watch this presentation to see the difference between office suites:

Windows Report presents Microsoft Office alternatives compared side by side - including ONLYOFFICE, LibreOffice and OpenOffice. Windows Report is a highly trusted web resource for windows-related products & services, including news and tips for tech users.

Yes, Microsoft Office is cool but one day it will become burdensome for your budget. Or you may want to give it up following your rebellious open source spirit. No matter what your reasoning is, you’ll need a good replacement. So… ONLYOFFICE or LibreOffice?
Check out the compatibility with MS Office formats
We saved the docx file and xlsx file created by Microsoft in PDF using other suites. Here's the result.
What went wrong in LibreOffice? Click here to see details
Still not convinced? Compare the editors yourself!
Download the docx and xlsx files and try to edit them using LibreOffice/OpenOffice and ONLYOFFICE Docs.
Read instruction how to compare editorsGet started and choose where to work
In ONLYOFFICE DocSpace
Create rooms within your secure DocSpace, invite people, view, edit, and collaborate on all kinds of documents from any desktop or mobile device.
Start with your free accountIn the platform you use
Connect Docs to edit documents directly from your app. 40+ ready integrations: Box, Moodle, Nextcloud, Odoo, Wordpress, etc.
Get Docs nowIn the platform you build
Integrate Docs into your service to provide powerful document-editing and building capabilities to your customers under your brand.
Learn moreFrom your mobile devices
Work on documents on the go with free apps for iOS and Android devices
Install now