Euro-Office 1.0 open-source office suite scheduled for June 9 release (zdnet.com)

• Euro-Office 1.0 launches June 9, 2026 on GitHub.
• Developed by a consortium of European cloud vendors including Ionos, Nextcloud, XWiki.
• Web-based editor for documents, spreadsheets, presentations with real-time collaboration.
• Supports Microsoft Office formats (DOCX, XLSX, PPTX) and OpenDocument formats (ODT, ODS, ODP).
• Integrated into Nextcloud Hub 26, Ionos Nextcloud, and planned for XWiki and Office.eu.

"A consortium of European tech companies will release Euro-Office 1.0 on June 9, 2026. The web-based suite, forked from OnlyOffice, provides documents, spreadsheets, presentations with real-time collaboration and support for Microsoft Office and OpenDocument formats. It integrates into Nextcloud and other European cloud platforms, targeting digital sovereignty for public sector and regulated industries."