Secure cloud storage for what matters most
Celebrate Spring with 25% off 200 GB of cloud storage.
Keep your files safe and private. With Proton Drive's end-to-end encrypted cloud storage, no one but you and the people you choose can access your files.
Proton Drive was built by the team behind Proton Mail, the world’s largest encrypted email service.
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Your personal vault
Keep your content safe with end-to-end encryption, Swiss privacy laws, and advanced security.
Privacy is our priority
We don’t (and can’t) access your data, share it with third parties or use it to target ads.
More than file storage
Create and connect with collaborative document editing and secure sharing features.
Encrypted cloud storage for all your files
Proton Drive’s end-to-end encryption ensures that your files, their names, and more are all fully encrypted at rest and in transit to your secure cloud. Unlike Big Tech, Proton can't access your files, so your data remains fully owned, accessible, and controlled by you.
Swiss privacy
Proton is based in Switzerland, so your files are protected by some of the strictest privacy laws in the world.
Open source
Our encrypted cloud storage is routinely audited by third-party experts and anyone can verify that it works as described.
Built for freedom
By using our privacy-first products, you’re helping create an internet where the people, not Big Tech, hold the power.
Collaborate on documents while protecting your privacy
The documents you create using Docs in Proton Drive are end-to-end encrypted, ensuring your work can never be exposed in data breaches, subject to online surveillance, or used to train AI models. With Docs, you can:
- Write with privacy
- Share and invite anyone
- Collaborate in real time
Safeguard your memories
Photos and videos of time spent with family and friends are more than just data – they are a record of your life. Proton Drive is a personal cloud storage solution that gives these images, and your other personal files, the highest protection and privacy.
Stay in control of shared files
Proton Drive's end-to-end encryption also works when sharing files and folders.
Optional features like password-protected files and expiring file-sharing links enhance security even further. Best of all, there are no file size limits.
Always access your files
With Proton Drive, your files are accessible 24/7 from any device and secured with automatic backups in multiple datacenters. Your data remains safe even if you lose your phone or computer.
Encrypted storage for organizations
Drive empowers you to collaborate on documents, securely store and share files within your organization while maintaining control over permissions and data access.
Our clients include journalists, activists, and businesses with high-security needs around the world.
Free cloud storage that puts your privacy first
We believe everyone has the right to privacy. Our free cloud storage plan includes all the security and privacy features of our paid subscriptions. You can access more storage and support our fight for a better internet, by upgrading to a paid account.
Your privacy is our first and only priority.
Our only obligation is to the Proton community. We are a privacy company, pure and simple.
Blog
What is cloud storage and how does it work?
Unlike traditional forms of data storage (such as hard drives), cloud storage uses servers in off-site locations to store data, letting you access your files any time you want as long as you have a device that connects to the internet.
Blog
Why use cloud storage?
Even if you already use cloud storage for some things, you may benefit from additional privacy and use cases you might not have considered.
Blog
Pros and cons of physical vs. cloud storage
When you need to store digital files, you have two basic options: cloud storage and physical storage. Both types have advantages and disadvantages. In this article, we’ll briefly explore these.