ONLYOFFICE icon
ONLYOFFICE icon

ONLYOFFICE

Open-source office suite offering document, spreadsheet, and presentation editing with co-editing modes, plugin support, integration across 30+ services, robust security, and mobile access. Available in Community, Enterprise, and Home Server editions for versatile deployment.

OnlyOffice 9.3 Document running in Windows 11

Cost / License

Application type

Platforms

  • Mac
  • Windows
  • Linux  Also as AppImage, Flatpak, snap packages
  • Online  SaaS version
  • Android  It requires a Personal or Commercial account
  • iPhone  It requires a Personal or Commercial account
  • Android Tablet  It requires a Personal or Commercial account
  • HUAWEI AppGallery
  • iPad  It requires a Personal or Commercial account
  • Self-Hosted  ONLYOFFICE Server version (Unix/Windows)
  • AppImageHub
  • Snapcraft
  • Flathub
  • Samsung Galaxy Store
  • Software as a Service (SaaS)
  • Flatpak
  • Cloudron
OnlyOffice 9.3 Spreadsheet running in Windows 11
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Comments and Reviews

   
Comment summary: ONLYOFFICE is praised for its familiar and intuitive interface, compatibility with Microsoft Office formats, and free availability. Users appreciate its cross-platform support and open-source nature, though some note limited advanced features compared to MS Office and LibreOffice. Criticisms include slow loading times, lack of certain plugins, and concerns over its freemium model and the developers' geographical origin. It's seen as a solid alternative for users seeking a free, less-feature-rich office suite.
Top Positive Comment
John Fastman
37

Microsoft's over-priced, buggy and privacy-invading Office suite has an unjustifiably large market share. (Read my review of Microsoft Office Word here). I know several people who are fed up of the Microsoft way of doing things and want to move away, for example to Linux. One of their fears is that Libre Office won't satisfy their requirement to stay compatible with colleagues or friends who stay on Windows/Mac.

Only Office to the rescue!

  • It's free (as in beer) and open source (trustworthy).
  • It gives the same, largely familiar interface to users on Windows, Mac and Linux.
  • It opens/saves .doc and .docx files with fewer flaws (if any) than does Libre Office
  • For 90%+ of Microsoft Office users who want to switch away from Linux and Mac, it will reduce the risk of incompatibilty with others.
  • It is an excellent alternative to the proprietary, closed source (and in my opinion untrustworthy) Chinese MS Office knock-off, WPS. Plus, Only Office has fewer restrictions (e.g. it doesn't prevent you from printing, whereas WPS does if you don't pay up).
  • Only Office is also an excellent alternative to Google Docs, Zoho Docs and the online MS Office. There is no more need to give your privacy away by doing everything on the servers of some company who can or do snoop on what you're doing.

I have run Only Office on Windows, Mac and Linux (Manjaro) and have had a relatively positive experience all around. On Windows I had a complaint or two: it was slow to load and changed my preferences for which app opens .pdf files. But that's it. On all platforms, it seems that after the initial install, the first run is a bit buggy or that Only Office even crashes. Subsequent uses are perfectly reliable, however, so if you try it, please keep a little bit of patience in reserve until the app "warms up". It should be worth your while.

Having said that, Only Office does have some features missing that MS Office and/or Libre Office have, e.g:

  • No plugin for Mendeley, EndNote, Zotero or any similar reference management software. (Both MS Office and Libre Office have this.)
  • Only Office cannot save to webdav folders (Libre Office and MS Word can at times struggle with this also - Only Office hasn't got the functionality.)
  • Cannot embed OLE files like MS Word can on Windows. (Mac users won't miss this as Microsoft doesn't offer OLE support in Office for Mac - because Mac users are treated as 2nd class citizens by Apple's competitor.)

The developers of Only Office have done a very good job so far. I hope they continue and succeed.

Top Negative Comment
rygle
4

Looks very much like Microsoft Office, however be aware that this software has extremely strong ties to Russia.

https://en.wikipedia.org/wiki/OnlyOffice

https://fossforce.com/2025/07/lyon-france-adopts-onlyoffice-from-russia-with-love/

https://news.ycombinator.com/item?id=43503467

https://www.reddit.com/r/NextCloud/comments/1gb0spn/should_nextcloud_support_onlyoffice_russian/

https://discuss.privacyguides.net/t/serious-claims-made-against-onlyoffice/11644

https://epravda.com.ua/publications/2022/07/6/688888/

https://forum.cryptpad.org/d/232-onlyoffice-concerns-vendor-makes-shady-moves

https://dms-solutions.co/blog/dms-solutions-stops-doing-business-with-onlyoffice-due-to-onlyoffice-close-ties-with-russia/

https://www.collaboraonline.com/comparing-collabora-with-onlyoffice/

https://lemmy.dbzer0.com/post/39638530

rygle

Here is a small part of OnlyOffice's Russian heritage and history https://find-and-update.company-information.service.gov.uk/company/05718967/persons-with-significant-control

https://www-comnews-ru.translate.goog/content/218317/2022-01-19/2022-w03/otechestvennyy-konkurent-google-workspace-obnovilsya?_x_tr_sl=ru&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp

And here are details of the Singapore holding/shell company, with 7000+ companies registered at the same address. https://www.sgpbusiness.com/company/Onlyoffice-Capital-Group-Pte-Ltd

https://www.en-zdv.uni-mainz.de/2023/05/30/software-onlyoffice-will-be-switched-to-the-open-source-version/

4thy
0

After doing some trivial research, it seems that the company behind OnlyOffice is being secretive, hostile and accusatory while violating Open Source licenses and including obfuscated and closed-source code, especially on the mobile apps.

In regards to functionality Excellent visual clarity and visual hierarchy. Feels familiar and effortless to pick up and use. Unfortunately it includes "ai" functions but thankfully they can be turned off immediatly with an easy-to-find checkbox in the settings.

scheintloss
1

Overall the software performs well. It can be considered the best MS Office alternative on PC, and even a must-have Office suite for Linux users.

But for me personally, the German developed LibreOffice remains the only right choice. After all, as you can read from a ton of comments here, this suite has direct ties to the Russian Federation.

You can argue for ages that software should stay out of politics. But I firmly hold the opinion that concepts like digital hygiene and totalitarian states running mass surveillance on their citizens are totally incompatible.

The phrase "just because you do not take an interest in politics does not mean politics will not take an interest in you" fits perfectly here. And these are not empty words, unfortunately there are plenty of stories where developers from Russia, or heavily tied to that state, get caught trying to push their states interests. Take for example the 2024 scandals involving Linux kernel contributors with Russian roots.

So risking your data security for a slightly better interface is just stupid. The technical pros do not outweigh these risks.

Personally, I find it absurd to bother with open-source operating systems and software, only to completely neglect basic digital hygiene.

Review from a new or low-activity account — shown here, but not counted in the app rating.
Mayur Mahajan
1
Developer Relations Engineer at Appflowy Inc

An excellent app, I always had to open my .docs, .pptx etc in Google Docs or Google Slides but for that I had to go to the browser, visit the site, upload the local file. I do not like LibreOffice UI and the native mac apps that are Pages and Spreadsheets. So this app which is free to use and feels lighter than Microsoft suite is the perfect app for me.

Sequester3480
0

For macOS users, be aware that the one in the App Store is "Designed for iPad. Not verified for macOS" apps. So better to visit their website and download the full desktop version (choices for Intel and Apple Silicon).

Handles files well, including now Hancom HWP files. Opened a file with some complicated tables and formatting and worked well. Has a very familiar interface style if you loved the early 2000s MS Word.

kazu
1

If you already used to Office you'll almost feel right at home

7 of 61 comments

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Install from the command line

  • winget install -e --id ONLYOFFICE.DesktopEditors
  • brew install --cask onlyoffice
  • flatpak install flathub org.onlyoffice.desktopeditors

Be careful what you paste into a terminal. Check what a command installs before running it.

What is ONLYOFFICE?

ONLYOFFICE is an open-source office suite that supports various formats, including MS Office files. It allows users to create and edit documents, spreadsheets, presentations, forms, and PDFs online. It also offers a Diagram Viewer to view and navigate Microsoft Visio diagrams.

The suite supports plugins for translation, bibliography generation, thesaurus search, and video insertion. The AI assistant available via the AI plugin allows you to connect to various AI models, such as ChatGPT, DeepSeek, Claude, Google Gemini, and others. It can help generate, improve, or analyze text; translate content; find keywords; explain terms; summarize or rewrite selected fragments; and recognize text in images (OCR). The plugin also supports image generation and can assist with creating spreadsheet formulas and macros.

The software offers collaboration features such as co-editing, comments, Track Changes, document version history, and file comparison. It ensures data security with encryption, HTTPS, JWT, and a limited cache lifetime.

ONLYOFFICE can be integrated into platforms like Nextcloud, ownCloud, Jira, Redmine, Moodle, WordPress, Drupal, and more. It also allows creating new apps using the Open API. It is available in Community, Enterprise, and Home Server editions, with the Developer Edition adding document editing and collaboration functionality. Free desktop apps are compatible with Windows, Linux, and macOS. Mobile editors are also available for iOS and Android.

ONLYOFFICE DocSpace combines Docs with a collaboration platform, a room-based space for document storage and coediting. It can be used as a cloud service or a self-hosted solution.

ONLYOFFICE Videos

ONLYOFFICE information

  • Developed by

    LV flagAscensio System SIA

  • Licensing

    Open Source (AGPL-3.0) and Free product.

  • Pricing

    One time purchase ranging between $149 and $17800, and / or subscription that costs from $20 per month.

  • Rating

    Average rating of 4.1 (68 ratings)

  • Alternatives

    106 alternatives listed

  • News

    13 news article related to ONLYOFFICE

  • Badge

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  • Supported Languages

    • English
    • Bulgarian
    • Czech
    • French
    • German
    • Italian
    • Japanese
    • Portuguese
    • Russian
    • Chinese
    • Spanish
    • Armenian
    • Azerbaijani
    • Belarusian
    • Croatian
    • Dutch
    • Estonian
    • Danish
    • Finnish
    • Galician
    • Greek
    • Hindi
    • Hungarian
    • Indonesian
    • Irish
    • Korean
    • Lao
    • Latvian
    • Malay
    • Lithuanian
    • Norwegian
    • Romanian
    • Polish
    • Vietnamese
    • Turkish
    • Swedish
    • Slovene
    • Ukrainian
    • Hebrew
    • Serbian
    • Catalan; Valencian

AlternativeTo Categories

Office & Productivity, Security & Privacy, AI Tools & Services, Education & Reference, Business & Commerce, Remote Work & Education

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Our users have written 61 comments and reviews about ONLYOFFICE, and it has gotten 729 likes

ONLYOFFICE was added to AlternativeTo by s_clair on and this page was last updated . ONLYOFFICE is sometimes referred to as TeamLab, TeamLab Office, ONLYOFFICE Personal, ONLYOFFICE Server.