OnlyOffice#Desktop editors

OnlyOffice includes an online editing suite called OnlyOffice Docs which comprises:

• Document editor (styling and formatting tools, objects, table of contents, bookmarks, document comparison, mail merge, version history, layout customization etc).
• Spreadsheet editor (functions and formulas, table templates, named ranges, charts, equations, pivot tables, conditional formatting, macros, etc).
• Presentation editor (formatting tools, objects, style options, transitions, animations, Presenter mode, Slide Master).
• PDF editor (text co-editing, adding/deleting/rotating pages, adding signatures, inserting objects, text annotations, including highlight, underline, cross out; comments, freehand drawings).
• PDF form creator & filler (PDF forms, multiple fillable fields, extended field properties).

The suite supports collaborative editing with real-time co-authoring.{{Cite web|url=https://techcrunch.com/2014/01/09/teamlab/|title=TeamLab, A Canvas-Based Document Editor, Wants To Send Microsoft Office 365 Back to the Drawing Board {{!}} TechCrunch|last=O'Hear|first=Steve|date=9 January 2014 |access-date=21 June 2017|archive-date=10 January 2018|archive-url=https://web.archive.org/web/20180110175626/https://techcrunch.com/2014/01/09/teamlab/|url-status=live}} Communication tools include commenting, chatting, Zoom, Jitsi, and Rainbow plugins for audio and video calls.{{Cite web |last=Africa |first=IT News |date=2022-11-05 |title=ONLYOFFICE Docs Review: A Reliable Document Collaboration Tool |url=https://www.itnewsafrica.com/2022/11/onlyoffice-docs-review-a-reliable-document-collaboration-tool/ |access-date=2023-12-03 |website=IT News Africa {{!}} Business Technology, Telecoms and Startup News |language=en-US}} The editors also provide revision history and change-tracking features.

The beta version of OnlyOffice Docs predecessor, Teamlab Document Editor, was introduced at CeBIT 2012 in Hannover. The product was built using Canvas, a part of HTML5 that allows dynamic, scriptable rendering of 2D shapes and bitmap images.{{Cite news|url=http://www.itworldcanada.com/article/w3c-ceo-calls-html5-as-transformative-as-early-web/45986|title=W3C CEO calls HTML5 as transformative as early Web|work=IT World Canada|access-date=21 June 2017|archive-date=2 October 2018|archive-url=https://web.archive.org/web/20181002141656/https://www.itworldcanada.com/article/w3c-ceo-calls-html5-as-transformative-as-early-web/45986|url-status=live}}

The basic formats used by OnlyOffice Docs are OOXML (DOCX, XLSX, PPTX) and PDF. Other types of supported formats (ODT, DOC, RTF, EPUB, MHT, HTML, HTM, ODS, XLS, CSV, ODP, PPT, DOTX, XLTX, POTX, OTT, OTS, OTP, XML, XPS, DjVu, and PDF-A) are processed with inner conversion to DOCX, XLSX or PPTX if editing is possible.

The suite's functionality can be extended using plugins (side applications). Users can choose from the internal marketplace of plugins or create their own applications using the provided API.{{Cite web|url=https://marketplace.owncloud.com/apps/onlyoffice|title=ONLYOFFICE connector {{!}} ownCloud marketplace|website=marketplace.owncloud.com|access-date=15 October 2020|archive-date=16 October 2020|archive-url=https://web.archive.org/web/20201016231809/https://marketplace.owncloud.com/apps/onlyoffice|url-status=live}}

OnlyOffice Docs provides cross-platform compatibility, offering Integration with Nextcloud, ownCloud, SharePoint, Moodle, and other platforms via ready-to-use connectors or API and WOPI.{{Cite web | url=https://itsubuntu.com/onlyoffice-docs-6-4-released/| title=ONLYOFFICE Docs 6.4 Released With Conditional Formatting And WOPI Support | newspaper=Itsubuntu.com| accessdate=2022-08-04}}

Among data security features, OnlyOffice offers end-to-end encryption, compliance with GDPR, JWT protection, access control, deployment options for private cloud environments, and others.

OnlyOffice DocSpace is a cloud collaboration platform by OnlyOffice that combines online editors and a sharing environment based on rooms.{{Cite web |author=Neeraj Paruthi |date=2023-05-26 |title=ONLYOFFICE DocSpace: The New and Better Way to Collaborate on Documents With Customers and Partners |url=https://www.makeuseof.com/onlyoffice-docspace/ |accessdate=2023-06-23 |newspaper=MUO}}

Rooms of different types can be created:

• In Collaboration rooms, users have access to all editing tools in the editors and can freely access any content.
• In Public rooms, it is possible to invite users via external links to allow them to view files without registration, as well as embed the room contents into web interfaces.
• In Custom rooms, following roles can be granted: room manager, power user, viewer, editor, commenter, reviewer, and form filler, with corresponding level of access to the files in the room.
• In Form-filling rooms, designed for collecting and managing form responses, users can share ready-to-use forms for surveys, applications, or contracts, collecting responses, tracking filled forms and analyze aggregated data.
• In Virtual Data Rooms (VDRs), secure spaces designed for handling sensitive documents equipped with features like watermarks, expiration settings, activity tracking, and audit logs, ensuring strict confidentiality and compliance for industries requiring robust document security.

Along with various access levels, DocSpace admins can adjust the security settings to control the login procedure and prevent data leaks, including such options as 2FA and Single Sign-On, trusted mail domains and session lifetime, IP restriction, etc.{{Cite web |title=Organizing Secure Document Collaboration: How to Install ONLYOFFICE DocSpace Server on Linux {{!}} Linux Journal |url=https://www.linuxjournal.com/content/organizing-secure-how-install-onlyoffice-docspace-server-linux |access-date=2023-12-03 |website=www.linuxjournal.com}}

For developers and integrators, OnlyOffice provides open API which allows integrating DocSpace into own web applications – both separate rooms or the whole space.{{Cite web |title=ONLYOFFICE Api Documentation - Overview |url=https://api.onlyoffice.com/docspace/basic |access-date=2024-03-01 |website=api.onlyoffice.com}}

In February 2023, OnlyOffice released the first version of the ChatGPT plugin{{Cite web |date=2023-02-14 |title=ONLYOFFICE Adds ChatGPT and Zoom Integration |url=https://news.itsfoss.com/onlyoffice-chatgpt-zoom-plugins/ |access-date=2024-03-01 |website=It's FOSS News |language=en}} with a basic set of features, such as text generation based on a user’s prompt, question answering, translation, text summarization and conversation-style communication.{{Cite web |last=Content |first=Partner |date=2023-09-13 |title=ChatGPT Plugin in ONLYOFFICE: Generate Texts, Images, Summarize, Translate and More |url=https://beebom.com/chatgpt-plugin-onlyoffice-docspace/ |access-date=2024-03-01 |website=Beebom |language=en-US}}

In January 2024, version 1.1.4 of the plugin was released which provided new tools for document editing and access to GPT-4.{{Cite web |date=2024-01-23 |title=Polish your texts with the new version of the ChatGPT plugin |url=https://www.onlyoffice.com/blog/2024/01/polish-your-texts-with-the-new-version-of-the-chatgpt-plugin-for-onlyoffice/ |access-date=2024-03-01 |website=ONLYOFFICE Blog |language=en}}

Another AI helper integrated in OnlyOffice is the ZhiPu Copilot plugin which supports Chinese language and uses the local knowledge base.{{Cite web | url=https://blog.csdn.net/zyy26/article/details/133386171| title=适用于 ONLYOFFICE 的智谱 AI 插件现已发布| accessdate=2024-06-20}} Later on Alibaba Cloud Tongyi Qianwen and Kimi, advanced AI language models designed for natural language processing and text generation, were also added to the editor’s functionality.

The December 2024 release introduces fully customizable AI functionality, allowing users to connect any AI assistant, including local models, and tailor them for needed tasks. The pre-installed AI models are OpenAI; Together AI; Mistral; GPT4All (for desktop only).{{Cite web | url=https://www.zdnet.com/article/how-i-easily-added-ai-to-my-favorite-microsoft-office-alternative/| title=How I easily added AI to my favorite Microsoft Office alternative| newspaper=ZDNET| accessdate=2025-04-11}}

The latest version of the AI Plugin in ONLYOFFICE 2.2.3 offers the flexibility to choose and combine multiple AI models, including DeepSeek, Claude, Anthropic, Gemini AI, Groq, Ollama and so on, to enhance productivity across different text-related tasks.

International editions of OnlyOffice in various countries include:

• CloudStor Online collaborative documents by AARNet, Australia's national research and education network, was based on the OnlyOffice office suite.{{Cite web | url=https://support.aarnet.edu.au/hc/en-us/articles/360000422496-Online-collaborative-documents| title=Online collaborative documents| accessdate=2023-12-04}} CloudStor was decommissioned by AARNet in December 2023.{{Cite web | url=https://support.aarnet.edu.au/hc/en-us/categories/200217608-CloudStor-Decommissioned| title=CloudStor (Decommissioned) | accessdate=2024-06-20}}
• In Czechia, OnlyOffice is marketed as a part of the IceWarp solution, a Czech alternative to M365 or GSuite.{{Cite web | url=https://firewall.com.pl/icewarp-poczta-i-praca-grupowa-inaczej-brandsit/| title=IceWarp - poczta i praca grupowa inaczej (BrandsIT) | date= 2019-01-04| accessdate=2023-12-04}}{{Cite web |last=Urban |first=Petr |title=Zkusili jsme webovou kancelář IceWarp. Česká konkurence pro Microsoft a Google je levnější a má vše potřebné |url=https://www.zive.cz/clanky/recenze-weboveho-kancelarskeho-baliku-icewarp/sc-3-a-226334/default.aspx |access-date=2024-03-11 |website=Živě.cz |language=cs}}
• The integration between the OnlyOffice suite and Jalios JPlatform (France) enables users to author and co-author text documents, spreadsheets and presentations online from their Jalios platform.{{Cite web | url=https://www.jalios.com/jcms/prod_35318/en/jalios-and-onlyoffice-join-forces-to-equip-businesses-with-effective-collaborative-tools| title=Jalios and ONLYOFFICE join forces to equip businesses with effective collaborative| accessdate=2023-12-04}}
• OnlyOffice is used in ByCS (BayernCloud Schule), the platform for digital support in everyday school life launched in Bavaria, Germany.{{Cite web |url=https://www.bycs.de/uebersicht-und-funktionen/weboffice/index.html |title=Office |accessdate=2023-12-04}}{{Cite web |title=How to Build an Open Source School Cloud for 5 Million Users |url=https://fosdem.org/2024/schedule/event/fosdem-2024-2415-how-to-build-an-open-source-school-cloud-for-5-million-users/ |access-date=2024-03-01 |website=fosdem.org |language=en}}
• Teppi Technology, a Japanese developer of file sharing and search systems, integrated OnlyOffice in the enterprise search engine called FileBlog.{{Cite web | url=https://japan.zdnet.com/extra/teppi_202010/35161760/| title=社内サーバーのOffice文書を、社外からWebブラウザで直接編集できる「| date= 2020-11-09| accessdate=2023-12-04}}
• OnlyOffice document, spreadsheet and presentation editors are marketed as R7-Office in Russia.{{Cite web | url=https://www.comnews.ru/content/218317/2022-01-19/2022-w03/otechestvennyy-konkurent-google-workspace-obnovilsya| title=Отечественный конкурент Google Workspace обновился| accessdate=2023-12-04}}
• Infomaniak (Switzerland) integrated OnlyOffice into the kDrive suite under their brand to provide users with the ability to edit office documents.{{Cite web | url=https://www.geekparadize.fr/high-tech/article-537197-kdrive-la-premiere-solution-de-stockage-collaborative-100-suisse-pour-les-pme-et-les-particuliers.html| title=kDrive : la première solution de stockage collaborative 100% suisse pour les PME et les particuliers | date= 2020-02-03| accessdate=2023-12-04}}
• PDFFiller (USA) which offers native OnlyOffice Documents PDF Editor.{{Cite web | url=https://www.pdffiller.com/en/integrations/document-creation/native-onlyoffice-documents-pdf-editor| title=Native ONLYOFFICE Documents PDF Editor| accessdate=2023-12-04}}

{{Unreferenced section|date=April 2024}}

OnlyOffice Docs (Document Server) maintains text document, spreadsheet, presentation, PDF, and form editors, and is technologically based on HTML5 Canvas, JavaScript SDK, and Node.js for server-side scripting.

OnlyOffice DocSpace is based on the .NET Core and the latest version of .NET for the server side, and React for the client side. Other technological components for the back-end include С#, MySQL, Kafka, ElasticSearch; for the front-end — ES6, CSS/SASS, Mobx, Styled-Components, i18next, Webpack 4/5.

OnlyOffice Workspace comprises Document Server, Community Server, and Mail Server. The Community Server is written in ASP.NET for Windows and in Mono for Linux and distributions. The Mail Server is based on the iRedMail package which consists of Postfix, Dovecot, SpamAssassin, ClamAV, OpenDKIM, and Fail2ban.

OnlyOffice Desktop is an offline version of OnlyOffice editing suite.{{Cite news|url=http://www.makeuseof.com/tag/ONLYOFFICE-open-source-microsoft-office/|title=OnlyOffice: An Open Source Microsoft Office Contender Worth Your Time|work=MakeUseOf|access-date=21 June 2017|archive-date=19 June 2017|archive-url=https://web.archive.org/web/20170619121446/http://www.makeuseof.com/tag/onlyoffice-open-source-microsoft-office/|url-status=dead}} The desktop application supports collaborative editing features when connected to the portal,{{Cite web|url=https://www.howtoforge.com/tutorial/how-to-use-plugins-add-ons-in-onlyoffice-desktop-editors/|title=How to use plugins (add-ons) in ONLYOFFICE Desktop Editors|website=howtoforge.com|access-date=21 June 2017|archive-date=16 November 2016|archive-url=https://web.archive.org/web/20161116184746/https://www.howtoforge.com/tutorial/how-to-use-plugins-add-ons-in-onlyoffice-desktop-editors/|url-status=live}} Nextcloud, ownCloud,{{Cite web|url=https://www.onlyoffice.com/blog/2018/12/onlyoffice-desktop-editors-for-christmas-with-more-features-and-connection-to-owncloud-nextcloud/|title=ONLYOFFICE Desktop Editors for Christmas {{!}} ONLYOFFICE Blog|date=21 December 2018|access-date=12 July 2019|archive-date=12 July 2019|archive-url=https://web.archive.org/web/20190712112241/https://www.onlyoffice.com/blog/2018/12/onlyoffice-desktop-editors-for-christmas-with-more-features-and-connection-to-owncloud-nextcloud/|url-status=live}} kDrive,{{Cite web | url=https://www.laseroffice.it/blog/2022/01/19/onlyoffice-desktop-editors-v7-0-moduli-compilabili-nuova-modalita-di-avvio-integrazione-con-kdrive-e-liferay-e-molto-altro/| title=ONLYOFFICE Desktop Editors v7.0: moduli compilabili, nuova modalità di avvio, integrazione con kDrive e Liferay e molto altro| newspaper=Aggregatore GNU/Linux e dintorni| date= 2022-01-19| accessdate=2022-04-26}} Seafile,{{Cite web | url=https://www.linuxtoday.com/developer/how-to-connect-onlyoffice-desktop-editors-v-6-3-to-your-seafile-server/| title=How to Connect ONLYOFFICE Desktop Editors v.6.3 to Your Seafile Server| newspaper=Linux Today| date= July 2021| accessdate=2022-04-26}} or Liferay. It is offered free of charge for both personal and commercial usage.

The desktop editors are cross-platform available for Windows XP or later (x86 and x64), Debian, Ubuntu and RPM-based Linux distributions, macOS 10.10 and newer, including computers built on Apple Silicon. Besides platform-specific versions there is also a portable option. OnlyOffice Desktop Editors are available for installation as Flatpak, snap and AppImage packages on Linux.

In early 2019, OnlyOffice announced the launch of a developer preview of end-to-end encryption of documents (files themselves, online editing and collaboration) that involves blockchain technology and is included in the functionality of the desktop suite.{{Cite web|url=https://www.enterprisetimes.co.uk/2019/04/29/onlyoffice-document-collaboration-via-blockchain-and-encryption/|title=ONLYOFFICE – document collaboration via blockchain and encryption -|last=Brett|first=Charles|date=29 April 2019|website=Enterprise Times|access-date=12 July 2019|archive-date=12 July 2019|archive-url=https://web.archive.org/web/20190712112243/https://www.enterprisetimes.co.uk/2019/04/29/onlyoffice-document-collaboration-via-blockchain-and-encryption/|url-status=live}} In 2020, the developers announced Private Rooms based on AES-256 algorithm and RSA asymmetric encryption.{{cite web | url=https://www.onlyoffice.com/blog/2020/10/onlyoffice-private-rooms-the-ultimate-security-of-document-collaboration/| title=ONLYOFFICE Private Rooms: the ultimate security of document collaboration| date= 2020-10-16| accessdate=2023-02-27}}

OnlyOffice Desktop Editor is available by default in the following operating systems:

{{prose|section|date=April 2025}}

• In 2009, a group of software developers from Ascensio System SIA (Latvian-based) and New Communication Technologies (Russian-based) launched a project called TeamLab, a platform for internal team collaboration.{{Cite web | url=https://www.zdnet.com/article/microsoft-office-google-docs-beware-this-open-source-office-startup-is-gunning-for-your-business/| title=Microsoft Office, Google Docs beware: This open-source startup is after your users| newspaper=ZDNET| accessdate=2024-06-24}}
• In March 2012, TeamLab introduced the first HTML5-based online document editors at CeBIT.{{Cite web | url=https://www.itworldcanada.com/article/w3c-ceo-calls-html5-as-transformative-as-early-web/45986| title=W3C CEO calls HTML5 as transformative as early Web | date= 2012-03-06| accessdate=2024-06-24}}
• In July 2014, TeamLab Office was officially rebranded to OnlyOffice and the source code of the product was published on SourceForge and GitHub on terms of AGPL-3.0.{{Cite web | url=https://www.onlyoffice.com/blog/2014/07/new-brand| title=Entering a new stage under a new brand: Teamlab Has Grown into ONLYOFFICE | date= 2014-07-04| accessdate=2024-06-24}}
• In March 2016, the developers released a desktop application – OnlyOffice Desktop Editors, which is positioned as an open-source alternative to Microsoft Office.{{Cite web | url=https://www.howtoforge.com/tutorial/how-to-use-plugins-add-ons-in-onlyoffice-desktop-editors/| title=How to use plugins (add-ons) in ONLYOFFICE Desktop Editors| accessdate=2024-06-24}}
• In February 2017, the first integration app for ownCloud/Nextcloud was launched.{{Cite web | url=https://www.linuxbabe.com/ubuntu/integrate-onlyoffice-owncloud-nextcloud| title=How to Integrate OnlyOffice with ownCloud | date= 2017-02-15| accessdate=2024-06-24}}
• In January 2022, the project introduced OnlyOffice Forms.{{Cite web | url=https://www.makeuseof.com/onlyoffice-fillable-forms/| title=OnlyOffice Adds Fillable Forms Compatible with Microsoft Office and Adobe| date= 2022-03-01| accessdate=2024-06-24 }}
• Following the Russian invasion of Ukraine in 2022, some customers moved away from OnlyOffice citing sanctions{{Cite web |last=Mainz |first=Johannes Gutenberg University |title=Software OnlyOffice will be switched to the Open-Source-Version {{!}} Zentrum für Datenverarbeitung |url=https://www.en-zdv.uni-mainz.de/2023/05/30/software-onlyoffice-will-be-switched-to-the-open-source-version/ |date=2023-05-30 |access-date=2025-03-09 |website=Johannes Gutenberg University Mainz |language=en-GB}}{{Cite web |title=Switch tubCloud to Collabora Online |url=https://www.tu.berlin/en/campusmanagement/news-details/umstellung-tubcloud-auf-collabora-online |date=2023-05-03 |access-date=2025-03-12 |website=Technische Universität Berlin |language=en}} or ethical reasons.{{Cite web |title=DMS Solutions stops doing business with OnlyOffice due to OnlyOffice close ties with Russia |url=https://dms-solutions.co/blog/dms-solutions-stops-doing-business-with-onlyoffice-due-to-onlyoffice-close-ties-with-russia/ |date=2022-03-25 |access-date=2025-03-09 |website=DMS Solutions |language=en}}{{Cite web |title=Маскувався під латвійський. Як популярний в Україні сервіс OnlyOffice ховав російський слід |url=https://www.epravda.com.ua/publications/2022/07/6/688888/ |date=2022-07-06 |access-date=2025-03-09 |website=Економічна правда |language=uk}}
• In May 2022, a new office branch was opened in Tashkent, Uzbekistan as a development hub.{{Cite web | url=https://it-park.uz/en/itpark/residents/itpark-residents| title=ITPARK - Our Residents| accessdate=2024-06-24}}
• In April 2023, OnlyOffice released new solution – OnlyOffice DocSpace.{{Cite web | url=https://www.makeuseof.com/onlyoffice-docspace/| title=ONLYOFFICE DocSpace: The New and Better Way to Collaborate on Documents With Customers and Partners| date= 2023-05-26| accessdate=2024-06-24}}
• In August 2023, OnlyOffice opened a holding company in Singapore and incorporated all the existing branches (those in Latvia, USA, UK, Armenia, Uzbekistan, Serbia) under the one brand. Ascensio System SIA was to become 100% owned by the British-based Ascensio System Ltd, which in its turn was to become 100% owned by OnlyOffice Capital Group Pte. Ltd. The beneficiaries of OnlyOffice Capital Group Pte. Ltd. are listed in the registry of Singapore companies by ACRA. {{Cite web | url=https://www.sgpbusiness.com/company/Onlyoffice-Capital-Group-Pte-Ltd| title=Singapore Business Directory| accessdate=2024-06-24}}
• In October 2023, OnlyOffice released the native PDF editor.{{Cite web | url=https://www.omgubuntu.co.uk/2023/10/onlyoffice-7-5| title=ONLYOFFICE 7.5 Released with New PDF Editor + More - OMG! Ubuntu| date= 2023-10-19| accessdate=2024-06-24}}
• In February 2024, OnlyOffice introduced RTL support.{{Cite web | url=https://www.omgubuntu.co.uk/2024/02/onlyoffice-8-0-released-with-pdf-buffs-support-for-rtl| title=ONLYOFFICE 8 Released with PDF Encryption, RTL Support - OMG! Ubuntu| date= 2024-02-14| accessdate=2024-06-24}}
• In June 2024, OnlyOffice released the full-featured PDF editor.{{Cite web | url=https://www.onlyoffice.com/blog/2024/06/onlyoffice-docs-8-1-released| title=ONLYOFFICE Docs 8.1 released | date= 2024-06-19| accessdate=2024-06-24}}
• In August 2024, OnlyOffice registered an official department in Shanghai, China.{{Cite web | url=https://milled.com/sia-ascensio-system/onlyoffice-monthly-roundup-august-2024-A2zgv2chBEvjWCXj| title=ONLYOFFICE: ONLYOFFICE Monthly Roundup: August 2024 | accessdate=2025-01-16}}
• In November 2024, OnlyOffice launches Virtual Data Rooms for advanced file security and transparency with automated indexing and content tracking.{{Cite web | url=https://news.itsfoss.com/onlyoffice-docspace-3-0/| title=ONLYOFFICE DocSpace 3.0 Released to Enhance Document Collaboration| date= 2024-11-27| accessdate=2025-01-16}}

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