ONLYOFFICE
🇱🇻 LV · Free plan · paid from $30/user/mo
4.4/5· 600 reviews across 5 portals
Open-source office suite with EU hosting and full Microsoft Office compatibility
Replaces
ONLYOFFICE is sought as a European alternative to:
Features
Document Editing
- Online editors for text documents, spreadsheets, and presentations
- PDF editing and form creation
- Mobile web editors for on-the-go access
- Desktop and mobile apps for offline work
Collaboration & Integration
- Multi-space management for teams and enterprises
- Third-party integrations (Box, Dropbox, SharePoint, Moodle, WordPress, Jira, Redmine)
- Plugins for Jitsi, Rainbow, Draw.io, and Doc2md
- Ready-to-use connectors for enterprise environments
Enterprise & Support
- Enterprise-level support with guaranteed response times
- SLA-backed service agreements
- One year of updates and support included
- Scalable for simultaneous connections (not user-based pricing)
Pricing
Pricing varies by deployment model (cloud, on-premises, integration edition) and is not publicly listed with exact figures. Contact ONLYOFFICE for a custom quote.
EU Trust Profile
2 of 9 criteria verified with evidence, last checked 2026-08-04. Every ✓ links to its source.
- Data Processing Agreement (DPA)not verified
No publicly available Data Processing Agreement (DPA) was found on the vendor's pages.
- Evidence →Trust center / security page
The security and compliance page serves as the trust center for ONLYOFFICE.
- EU data residencynot verified
For cloud deployments, specific EU/EEA data residency locations (e.g., Frankfurt) are not explicitly stated.
- Public sub-processor listnot verified
No public sub-processor list was found on the vendor's pages.
- ISO 27001not verified
ISO 27001 certification is mentioned in blog posts, but no certificate or evidence URL is provided.
- SOC 2not verified
No evidence of SOC 2 certification was found on the vendor's pages.
- BSI C5not verified
No evidence of BSI C5 certification was found on the vendor's pages.
- TISAXnot verified
No evidence of TISAX certification was found on the vendor's pages.
- Evidence →German-language support
Product support and the ONLYOFFICE suite are fully available in German.
Verified means: the claim was publicly documented at the linked source on the check date. The vendor's own information prevails.
Reviews
Recurring themes, synthesized from public reviews across portals.
What users value
- Highly intuitive interface closely resembling Microsoft Office, reducing onboarding time for new users
- Superior Microsoft Office compatibility, preserving document formatting better than alternatives like OpenOffice
- Strong integration with Nextcloud and other third-party platforms for seamless workflows
- Robust data control and privacy features, appealing to security-conscious organizations
- Free self-hosted option provides a cost-effective alternative to cloud-based suites like Google Workspace or Microsoft 365
- Reliable document management and collaboration tools for distributed teams
- Convenient tab features in the Docs application for multitasking
Where users see room to improve
- · Performance issues reported, including slowness, software hanging, and limited capacity for handling multiple files simultaneously
- · Mobile app experience criticized, particularly limited iOS availability and restricted iCloud file access
- · User interface described as cumbersome for document discovery and collaboration by some users
Ratings across portals
Linked facts, we bring ratings from every portal together in one place.
Integrations
Feature, pricing and integration details are based on web research (as of 2026-08-02), without guarantee, errors are possible. The vendor's website prevails.