European Alternatives to Microsoft 365 Online
Microsoft 365 Online allows users to create, edit, and share documents through a web interface, without requiring local software installation. It is used globally by individuals, businesses, and educational institutions and can be integrated into existing IT environments. The service is one of the established platforms for browser-based document collaboration. This pages lists European Microsoft 365 Online alternatives from companies based in a member state of the European Union (EU) or the European Free Trade Association (EFTA).
Nuclino
Nuclino is the German team knowledge base – real-time wiki, visual workspaces, simple and fast, German-made.
Nextcloud Office
Nextcloud Office is the open-source office suite – Collabora-based, part of Nextcloud, self-hosted.
Nextcloud
Nextcloud is an open-source file hosting and collaboration platform that can be self-hosted in Europe, offering complete data sovereignty with file sync, video calls, and groupware.
Collabora Online
Collabora Online is a UK enterprise document editing suite based on LibreOffice, integrating with Nextcloud and ownCloud, with 230+ global partners.
XWiki
XWiki is the French open-source wiki platform – enterprise knowledge base, structured data, extensions, self-hosted.
CryptPad
CryptPad is the end-to-end encrypted collaboration suite – documents, spreadsheets, presentations, and more with zero-knowledge encryption.