About OnlyOffice
ONLYOFFICE is a free, open-source office suite with some of the best Microsoft Office compatibility around, so DOCX, XLSX and PPTX files open and save cleanly. Documents, spreadsheets and slides share a modern, tabbed interface.
Built with collaboration in mind, it supports real-time co-editing and form templates, and can run entirely on your own machine or connect to a self-hosted server.
Key features
- ✓Documents, spreadsheets and presentations
- ✓Excellent Microsoft Office compatibility
- ✓Real-time collaborative editing
- ✓Fillable form templates
- ✓Self-hostable and open source
- ✓Clean, tabbed modern interface
Requirements
Windows 10 / 11, 64-bit
OnlyOffice — frequently asked questions
Is OnlyOffice free to download?+
Yes. OnlyOffice is free and open source, so you can use it at no cost.
Is OnlyOffice safe to download?+
Yes. HivApps links to the latest OnlyOffice build and keeps listings clean, with no bundled extras. As always, keep your antivirus on and only install software you trust.
What is the latest version of OnlyOffice?+
The latest version listed here is OnlyOffice 8.1, updated Aug 10, 2026.
What do I need to run OnlyOffice?+
Windows 10 / 11, 64-bit
How do I install OnlyOffice on Windows?+
Click the Download button on this page, run the installer once it finishes downloading, and follow the on-screen setup steps.
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Latest version (8.1) · Safe & clean