← Back to Software
Office Suite

OnlyOffice

OnlyOffice is an open source office suite with deep compatibility with Office Open XML formats (.docx, .xlsx, .pptx). Includes real-time collaborative editing, document management, and integration with Nextcloud.

Overview

Primary Purpose
O365-compatible open source office suite with collaboration
Best For
Teams wanting a Microsoft Office-compatible suite with real-time collaboration features
Organization Size
Small to Enterprise
Industry Use
All — business, education, government
Complexity
Low
Cloud Based
Yes
AI Features
No

Typical Use Cases

  • •Document editing with O365 compatibility
  • •Real-time collaborative editing
  • •Document management
  • •Integration with Nextcloud

Key Features

  • ✓Best .docx/.xlsx/.pptx compatibility among OSS options
  • ✓Real-time collaboration
  • ✓Self-hostable
  • ✓Integrates with Nextcloud

Limitations

  • !Some complex O365 macros not supported
  • !Cloud version has usage limits on free tier

Alternatives

  • →LibreOffice
  • →Google Workspace
  • →Apache OpenOffice

Amber's Perspective

OnlyOffice offers the best Microsoft Office compatibility of any open source suite. Ideal for organisations that need to handle .docx and .xlsx files while transitioning away from Microsoft 365.