Proton Drive is an early access cloud storage solution that focuses on end-to-end encryption, ensuring that sensitive documents remain confidential. It is particularly suited for users who require secure backup for medical records, financial documents, and identity files. Unlike conventional cloud services, Proton Drive encrypts data on the user's device before it is uploaded, preventing unauthorized access and data monitoring by third parties. The service is ideal for various organization types, including businesses and nonprofits, providing a secure way to store and access files across devices.

In addition to its core functionality, Proton Drive integrates seamlessly with other Proton services such as Proton Mail, Proton VPN, and Proton Docs, enhancing its utility for users invested in the Proton ecosystem. The service is available on a subscription basis, starting with a free tier, making it accessible for individuals and organizations looking for a secure cloud storage option. Documentation is provided to support users in navigating the platform and maximizing its features.