Replaces Microsoft 365 Online
European alternatives to Microsoft 365 Online
Browser based documents and files with European hosting
Browse the category: Document collaboration services · File hosting services
Microsoft 365 Online is the browser version of Word, Excel and PowerPoint, with files kept in the cloud so several people can edit the same document at once. Organisations use it because it needs no local install, works from any machine and fits existing Microsoft accounts and administration. Schools, companies and public bodies run large parts of their daily paperwork through it.
Documents are where the sensitive material sits: contracts, salaries, pupil records, board papers. Running that store on a US platform raises the question of which law applies to the provider, and many European buyers now want an EU processor, EU billing and a clear answer for their procurement file. A European alternative to Microsoft 365 Online exists at every layer. Nextcloud Office and Collabora Online handle collaborative editing, while Infomaniak kDrive and Proton Drive cover storage and sharing.
European options 11
Our pick
Infomaniak kDrive
Swiss file hosting with online document editing
Infomaniak kDrive is the file hosting and document collaboration service of the Swiss cloud provider Infomaniak. Files sync across devices and can be shared with colleagues or outsiders, and documents can be written and edited together in the browser through the open source suite OnlyOffice.
SwitzerlandEFTA hostedFree plan♻
Infomaniak Public Cloud
Swiss public cloud and virtual private servers
SwitzerlandEFTA hosted♻
Proton Docs
Encrypted document collaboration from Switzerland
SwitzerlandEFTA hostedOpen sourceFree plan♻
Proton Drive
Encrypted cloud storage from Switzerland
SwitzerlandEFTA hostedFree plan
Nuclino
Collaborative document editing from Germany
GermanyFree plan
Nextcloud Office
Open source document collaboration inside Nextcloud
GermanyOpen source
Nextcloud
Open source file hosting and collaboration platform
GermanyOpen source
Collabora Online
Self-hosted online document editing, open source
Open sourceOpen source
XWiki
Open source enterprise wiki from France
FranceEU hostedOpen source
CryptPad
Zero knowledge document collaboration from France
FranceEU hostedOpen sourceFree planSelf-hosted and open source
Open source projects you can run yourself. Not necessarily made in Europe, but nobody else holds your data.
Questions
Can these open my existing Word and Excel files?
Collabora Online and Nextcloud Office work with common office formats, so most documents open and can be edited. Complex spreadsheets and heavily formatted files are worth testing first, since layout details can shift.
Which European alternative covers file storage rather than editing?
Infomaniak kDrive and Proton Drive are storage and sharing services, and Nextcloud combines files with an editing layer. Pick based on whether documents or file sync is your main need.
Is there something simpler for a small team's shared notes?
Nuclino is aimed at collaborative documents and internal knowledge rather than a full office suite. It suits teams whose work is mostly text rather than spreadsheets.