Nextcloud Office
Private and secure collaboration on documents, spreadsheets, presentations, and PDFs
Based on Euro-Office and its client-centric architecture, this powerful office suite includes collaborative editors for text documents, spreadsheets, presentations, and PDFs and is highly compatible with Microsoft file formats. It comes with Nextcloud’s privacy-respecting AI assistant and several productivity tools.
Nextcloud Write
For all your writing needs, Nextcloud Write is the place to create, edit and proofread your documents. It also features extensive collaboration and sharing features.
- Collaborative drafting and editing
- Comments and tracked changes
- Various export formats
Nextcloud Spreadsheet
Keep your data secure and organized with Nextcloud Spreadsheet. Access thousands of functions, formulas, and tools to analyze data and perform precise calculations.
- Powerful formulas and functions
- Data sorting and filtering
- Various visualization options
Nextcloud Present
Create and deliver impactful presentations with Nextcloud Present. Export your slides as PPTX, ODP, PDF, or image files, and captivate your audience with animations and multimedia.
- Animations and multimedia embedding
- Speaker notes and presenter view
- PPTX, ODP, PDF, and image file export
Nextcloud PDF Editor
Create fillable forms, edit existing PDF documents, and collaborate in real time. With tools for commenting, annotations, and redactions, you have everything you need for efficient PDF workflows.
- Annotations and redactions
- Form builder tools
- Real-time collaboration
Productivity tools
- Offline editing
- Mermaid integration
- Real-time cursor tracking
- LaTeX support
- Complete Markdown syntax
- Clients for Android and iOS
- Custom file extensions
- Optional AI integration
- Attach documents
- Offline collectives browsing
- Membership management
- Landing pages and page trashbin
- Recent Collectives pages
- Build custom Tables apps and views
- New column type “Users and groups”
- Transfer ownership of Tables with ease
- Page in full width
- Link column type
Quickly create meeting minutes, checklists, and more using Markdown formatting or plain text.
Create Markdown-based notes, organize them with categories, and easily access them from third-party tools using the REST API.
Curate a knowledge database for your team, share meeting notes and documents, and collect project-specific information so everyone is on the same page.
Efficiently manage structured data like customer details or employees’ time off, then combine your tables and views into a shareable application.
Additional features
Mobile views for iOS and Android
With Euro-Office, you can also edit your Nextcloud documents on the go, right from your smartphone or tablet.
Integrated Smart Picker
The Smart Picker feature lets you link to content anywhere on your Nextcloud, whether it's a kanban card, calendar event, or chat message.
Template support
Quickly create pre-formatted documents using one of the built-in templates or by creating your own.
Other integrations
Convert your documents into other file formats using Nextcloud's file conversion API or securely chat about them with Nextcloud Assistant.
Freedom of choice
Euro‑Office is available as an alternative to Collabora Online in the latest Nextcloud versions, starting with Nextcloud Hub 26 Spring, and bundled with solutions from our partner companies. Users can select their preferred option with a single click.
Nextcloud Office powered by Euro-Office supports dozens of document formats.
- DOC
- DOCX
- PPT
- PPTX
- XLS
- XLSX
- ODF
Unique advantages
Nextcloud Office powered by Euro-Office puts you in control over your document creation and editing. Files can be easily shared and edited alone or with others through the mobile and web interfaces without leaving your Nextcloud server.
Open source software built in Europe
Created by a Europe-wide alliance of organizations, Euro-Office’s code base is fully open source, strengthening its security.
Seamless Nextcloud integration
Create and collaborate on documents during a video call, attach them to a task, view them in the Mail editor, or edit them directly on your desktop.
Excellent performance
Thanks to its distinct architectural approach, Euro-Office delivers optimal browser performance while reducing server load.
Highly compatible with Microsoft file formats
Euro-Office features high-fidelity rendering that preserves the layout and formatting of DOCX, XLSX, and PPTX files.
Nextcloud Office for enterprises
With our enterprise plan, you get access to a scalable solution with long-term support, guaranteed response times, and rapid security updates. Contact us to discover how Nextcloud can help you regain control of your business data.
Euro-Office: a true collaborative effort
Euro-Office is supported by a Europe-wide alliance of organizations. Alongside Nextcloud, these include IONOS, Eurostack, XWiki, OpenProject, Soverin, Abilian, BTactic, OpenXchange and Office.eu.
Many of these organizations provide dedicated development resources to Euro‑Office, driving European innovation.
50+
Jobs created
3M+
Taxes paid in EU
15+
Companies involved
Choose how to run Nextcloud Office
Nextcloud gives you the freedom to choose the office suite that best fits your needs regarding file format compatibility and performance.
Frequently asked questions
Yes, Euro-Office is a powerful open source alternative to proprietary office suites like Microsoft Office and web-based editors like Google Docs, Sheets, and Slides. It features simultaneous editing and is compatible with propietary file formats (e.g., DOCX, XLSX, and PPTX) as well as open file formats (e.g., ODT, ODS, and ODP).
Euro-Office gives organizations full control over where and how data is processed, making it fully compatible with GDPR-compliant deployments. If you use a provider, please check with them for their specific data processing agreement.
give you the option to enable Euro-Office during the initial configuration. For instructions on how to activate it in your existing Nextcloud setup, please contact your or follow our
Yes, Euro-Office was released on June 9, 2026, and is available as an office suite option in the latest Nextcloud versions, starting with Nextcloud Hub 26 Spring.
Among the organizations supporting and contributing to Euro-Office are: Abilian, BTactic, EuroStack, IONOS, Nextcloud, Office.EU, Open-Xchange, OpenProject, Proton, Soverin, Tuta, and XWiki.
Euro-Office is based on the ONLYOFFICE Open Source AGPL codebase. The codebase has been extensively reviewed, cleaned up, and refactored to make it easier to build, maintain, and contribute to. This independent codebase allows Euro-Office to evolve separately from ONLYOFFICE.
