Les faits, les notes et les comparaisons sont affichés en anglais, tels qu’ils ont été relevés dans leurs sources.
Produits · Stockage en ligne · par Proton
Proton Drive
End-to-end encrypted cloud storage with built-in Docs and Sheets editors, file sharing and desktop and mobile apps.
Alternative à Google Drive, OneDrive, Dropbox
4 / 6 notre méthode de notation
Ce que fait le produit
End-to-end encrypted cloud storage with built-in Docs and Sheets editors, file sharing and desktop and mobile apps.
Paraphrased from the Proton Drive product page.
Entité juridique
Proton AG
Terms of Service: contracting party is Proton AG, Route de la Galaise 32, 1228 Plan-les-Ouates, Geneva. Proton Wallet is run by the subsidiary Proton Financial AG under separate terms.
Siège
CH
Swiss substantive law governs for business users and consumers outside the US; disputes go to the courts of the Canton of Geneva. US consumers: AAA arbitration clause (s.13.1) with opt-out.
Prix à partir de
Free 5 GB; Drive Plus from USD 4.99 per month (200 GB)
Price shown in USD on the fetched page; yearly price was not captured. Drive page lists Unlimited (500 GB with VPN) and Duo (2 TB with VPN).
Juridiction partiel
Entité contractante
Proton AG (CH)
Swiss UID register: Proton AG (Aktiengesellschaft), seat Plan-les-Ouates, Canton GE, status active. The DPA gives the company ID CHE-354.686.492. Contracting entity.
Société mère ultime
Proton Foundation (CH)
Proton says its primary shareholder is the Proton Foundation, a Swiss non-profit in Geneva; employees hold most other shares. No percentages or register entry found, so this is the named main holder, not a verified ultimate parent.
Exposition au droit étranger partiel
Fondé sur la même chaîne de propriété que la juridiction.
Localisation des données échec
Stockage dans l’UE par défaut
Non
Servers are 'exclusively located in Switzerland, Germany or Norway', owned and operated by Proton or its subsidiaries. Norway is EEA, but Switzerland is not EU/EEA, and no EU/EEA-only option was found.
Traitement dans l’UE par défaut
Inconnu
Looked at Drive privacy policy, group privacy policy and DPA. Servers are in CH, DE and NO; no page states where processing happens. The DPA allows transfers to CH, EU or adequate countries 'to the extent possible'.
Régions
Switzerland, Germany, Norway
Older Proton pages list only Switzerland and Germany.
Sous-traitants ultérieurs réussi
Liste publique
Oui
Group privacy policy s.4 lists processors with locations; the Drive policy names none. The text names Calendly and HubSpot, missing from the s.4 list. DPA: general authorisation, updates via the privacy policy.
Hors UE dans le traitement principal
Non
Drive privacy policy names no subprocessors; only Proton employees access servers. The group list has non-EU processors (Zendesk, Stripe, PayPal, Chargebee, Atlassian; entities in North Macedonia, Taiwan) for support and payments, not Drive content.
DPA réussi
Article 28 du RGPD disponible
Oui
Published DPA (last modified 2026-02-10), part of the Principal Agreement; Proton AG is processor. Covers instructions, confidentiality, subprocessors, deletion, audits. Art. 28 not cited by number; counted as an Art. 28 DPA.
Dépendance au fournisseur réussi
Open source
Oui
Proton's GitHub org for Drive: Windows, macOS, Android and iOS apps (GPL-3.0) and SDKs (MIT). No server or back-end code seen. Proton says all its apps are open source and audited (proton.me/community/open-source).
Auto-hébergeable
Inconnu
Looked at proton.me/community/open-source, the Drive GitHub org and the Drive page. No self-hosting option or server code mentioned either way.
Export complet des données
Oui
Select multiple files or folders in the web app and download as a ZIP. The Drive CLI downloads whole folders. No single 'export everything' button found. Files are decrypted on the user's device.
Fonctionnalités non noté
Chiffrement de bout en bout
Oui
Files are encrypted on the device before upload; the policy says Proton cannot decrypt content on production servers or in backups.
Éditeur de documents
Oui
Proton Docs: end-to-end encrypted editor inside Drive, with collaboration.
Éditeur de tableurs
Oui
Proton Sheets: end-to-end encrypted spreadsheets; the Drive page mentions formulas and charts.
Liens de partage
Oui
Link for anyone, or invite people by email with view or edit access. Free accounts cannot share files over 5 GB (Drive page).
Liens protégés par mot de passe
Oui
Optional password and expiry date on a shared link; page names no plan restriction.
Historique des versions
Oui
Free: 10 versions per file, up to 7 days. Paid plans: up to 200 versions, up to 10 years (adjustable).
Synchronisation sur ordinateur
Oui
Windows app syncs automatically; the macOS app is listed for sync. CLI for Linux, macOS and Windows. Mobile apps upload manually.
Applications mobiles
Oui
iOS (iPhone and iPad) and Android, also as direct APK.
Ce qui a changé
- 2026-10-17 Data residency: EU means EU/EEA; Switzerland and UK do not count
- 2026-10-17 Research: Proton Drive (#35) Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HnbkNqEnWa32X1hpMjwYn5
Chaque modification de ces faits est conservée dans l’historique des versions. Chacune a été relue avant publication.