Proton Drive vs OneDrive

Proton Drive

Strengths

• +End-to-end encryption and zero-knowledge architecture ensure only users control access to their data
• +User-friendly, modern interface with smooth mobile apps for iOS and Android
• +Straightforward file and folder sharing with password protection and expiration dates
• +Seamless integration with other Proton apps (Mail, Calendar, VPN)
• +Strong privacy focus and transparency, including open-source components
• +Compliance with GDPR, HIPAA, and other data protection regulations
• +Swiss-based hosting with strict data sovereignty and privacy laws

Limitations

• −Free plan offers only 5 GB storage, premium plans are relatively expensive
• −Missing features compared to competitors (e.g., no spreadsheet or presentation tools, no Linux client)
• −Performance issues, including slow upload/download speeds and limited video preview (100 MB cap)

OneDrive

Strengths

• +Seamless integration with Microsoft ecosystem
• +Strong security and compliance features
• +Reliable sync across devices
• +Generous storage limits

Limitations

• −Complex admin settings for granular controls
• −Costs can escalate with add-ons
• −Limited customization for non-Microsoft workflows
• −Multi-Geo residency requires higher-tier plans

Proton Drive

• Free Free per month1 GB storage (shared across Proton Mail, Calendar, and Drive) · 1 user · Basic features including end-to-end encryption and file sharing
• Drive Plus $4.99 per month200 GB storage (shared across Proton services) · 1 user · End-to-end encrypted file storage and sharing
• Unlimited $12.99 per month500 GB storage (shared across Proton services) · 1 user · Includes Proton VPN, encrypted password manager, and advanced account protection
• Family $29.99 per month3 TB storage (shared across Proton services) · Up to 6 users · All Unlimited features for the whole family

Pricing is for Proton's bundled plans; storage and features are shared across Proton Mail, Calendar, VPN, and Drive. Exact pricing for Drive alone is not separately published.

OneDrive

• OneDrive for Business (Plan 1) $5 user/month1 TB storage per user · Billed annually
• OneDrive for Business (Plan 2) $10 user/monthUnlimited storage per user · Billed annually
• Microsoft 365 Business Basic $6 user/monthIncludes OneDrive + web/ mobile Office apps · Billed annually

Pricing varies by region and plan; enterprise agreements may offer custom terms.

Proton Drive

File Storage

End-to-end encrypted cloud storage, Storage for files of any size (documents, photos, videos), File and folder names and metadata encrypted on device before upload, Protected by Swiss privacy laws

File Sharing

Share files, photos, documents, and spreadsheets with anyone, Secure, shareable links for file sharing, Advanced security options: password protection and link expiration dates, Control over shared files (e.g., disable sharing links)

Photos & Albums

Automatic mobile backups for photos and videos, Collaborative albums for sharing and reliving moments

Sync & Access

Desktop file syncing (Windows) for any folder with cloud storage, Access and manage files on Windows, macOS, Android, iOS, and web apps

Collaboration Tools

Proton Docs: Online document editor with end-to-end encryption, Proton Sheets: Encrypted spreadsheets with formulas and charts

OneDrive

Storage and Collaboration

Secure file storage with versioning, Real-time co-authoring in Office apps, Access controls and permissions, Mobile and desktop sync

Security and Compliance

Encryption at rest and in transit, GDPR compliance tools, Data loss prevention (DLP), Multi-factor authentication (MFA)

Integration

Seamless integration with Microsoft 365 apps, Embedding in SharePoint and Teams, Third-party app connectors, Automation via Power Automate