ONLYOFFICE ends its partnership with Nextcloud over new unauthorized "Euro-Office" fork

ONLYOFFICE has suspended its eight year partnership with Nextcloud after Nextcloud, IONOS, and other European companies announced "Euro-Office", a fork of the ONLYOFFICE repository. The move affects a long standing integration used by self hosted Nextcloud users for real time document editing and collaboration.

Euro-Office is being presented as an open source, European controlled alternative to Microsoft Office, with a focus on compatibility and software sovereignty. ONLYOFFICE argues the fork violates the GNU Affero General Public License v3 by repackaging its code without keeping required branding, logos, and attribution. It also says the project was launched without prior notice, calling it a major breach of trust, and adds that tensions had already grown over alleged attempts by Nextcloud to recruit employees and influence customers against the company.

Nextcloud, meanwhile, says the fork was driven by concerns about ONLYOFFICE’s Russian origins, limited transparency, and a contribution process it sees as restrictive. ONLYOFFICE says existing customers and partners will not be affected, while broader criticism from LibreOffice has added to the dispute by questioning ONLYOFFICE’s open source positioning and its strong focus on Microsoft file formats over open standards.