Compare Proton Drive vs. Proton Sheets

Proton Drive is the secure workspace for storing sensitive data and collaborating with confidence across teams, clients, and external partners. With full end-to-end encryption, you can share files, contracts, and business documents securely — and stay in control at all times. Set passwords, expiration dates, or revoke access instantly. Files are encrypted on your device before upload, and only you and your collaborators can access them. Even Proton can’t see your data. Each user gets 1 TB of storage, and you can scale as your organization grows. Proton Drive is developed in Switzerland by the makers of Proton Mail. We’re independent, built on privacy-first principles, and free from Big Tech surveillance, lock-in, or monetization of user data. We offer more than secure storage: - Real-time collaboration with Proton Docs - Granular sharing controls for external and internal access - File recovery for peace of mind - Cross-device access, including Windows, macOS, iOS, and Android We also help you meet compliance requirements out of the box. Proton Drive supports: - GDPR, HIPAA, DORA, NIS2, and ISO 27001 - Independently audited SOC 2 Type II compliance - No complex setup or third-party integrations required. By choosing Proton Drive, you show your clients, partners, and regulators that privacy and security are built into your workflows — not an afterthought.

Proton Sheets is a privacy-centric spreadsheet application seamlessly integrated into Proton Drive's encrypted cloud workspace, enabling users to create, modify, and collaborate on spreadsheets while ensuring that all data remains fully end-to-end encrypted, so that only those with permission can view the information, protecting sensitive data from surveillance, data harvesting, or AI training. Users can initiate a new spreadsheet directly in Proton Drive, easily import files from formats like CSV, XLS, or Excel, and arrange their data across various tabs using standard spreadsheet functionalities, including built-in formulas such as SUM and IF, along with features like conditional formatting, sorting, and visualizations through charts and graphs for effective tracking of budgets or project planning. With real-time collaboration capabilities, users can edit together live and manage access permissions, ensuring that they maintain control over who can view or alter their documents, while also keeping a secure version history of changes made. This comprehensive tool not only enhances productivity but also prioritizes user privacy, making it a valuable resource for anyone needing to handle sensitive information securely.