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ONLYOFFICE Docs, the best MS Office Online alternative

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100% compatible with Microsoft Office formats

7 reasons why ONLYOFFICE Docs is the best MS Office Online alternative

Maximum compatibility with MS Office files
Using Office Open XML as a core format, ONLYOFFICE Docs provides the highest compatibility with Microsoft Office 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.
Data security
Open-source ONLYOFFICE solutions can be deployed on your own server so that all the data remains completely in-house. Private Rooms allow storing, editing, and co-authoring docs in always-encrypted form.
AI helper
Make use of the AI assistant plugin to boost work with your texts: run word analysis and explore the meaning of unknown words, generate passages, images and keywords, summarize and translate stories, find synonyms.
Flexibility
Unlike the tech giants, ONLYOFFICE doesn’t lock the customers into its collaborative ecosystem. 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.

Watch this presentation to see the difference between office suites:

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.

Still not convinced? Compare the editors yourself!

Download the docx and xlsx files and try to edit them using MS Word Online, Google Docs, Zoho Docs, LibreOffice/OpenOffice, WPS Office, Hancom Office and ONLYOFFICE Docs.
Read instruction how to compare editors

Get 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.

In the platform you use

Connect Docs to edit documents directly from your app. 40+ ready integrations: Box, Moodle, Nextcloud, Odoo, Wordpress, etc.

In the platform you build

Integrate Docs into your service to provide powerful document-editing and building capabilities to your customers under your brand.

From your PC

Edit docs offline with free office apps for Windows, Linux, and macOS

From your mobile devices

Work on documents on the go with free apps for iOS and Android devices