I recently tested Proton Drive, a privacy-focused cloud storage solution developed by the team behind Proton Mail. Here is my detailed review, Proton Drive excels in its security and privacy features, making it a standout choice for users who prioritize protecting their data. It employs end-to-end encryption and zero-knowledge encryption, ensuring that neither Proton nor third parties can access your files. Additionally, the service benefits from being based in Switzerland, where strict privacy laws safeguard user data. Features like password-protected links, expiring file-sharing links, and biometric locks on mobile apps further enhance its security. The platform also offers a user-friendly interface that is easy to navigate across devices, including web, desktop, and mobile applications. It provides 5 GB of free storage in its basic plan, which is generous compared to some competitors. Proton Drive supports file versioning, allowing users to restore previous versions of their files—a feature available even on the free plan. However, Proton Drive has some limitations. The upload speeds are notably slow compared to other cloud storage services, which can be frustrating for users handling large files. Additionally, while the service supports secure file sharing, it lacks advanced collaboration tools and features like block-level sync or virtual drive support. The free plan's storage capacity is shared across all Proton apps (e.g., Mail and VPN), which may feel restrictive for users with extensive storage needs. In conclusion, Proton Drive is an excellent option for individuals or organizations that value security and privacy above all else. While it may not match the productivity features of competitors like Google Drive or OneDrive, its robust encryption and ease of use make it a reliable choice for secure cloud storage. If you prioritize speed or advanced collaboration tools, however, you might want to explore other options.