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Protect what matters most with secure file storage
Keep your files, photos, and documents safe with online cloud storage that puts your security and privacy first.
Store important files
From identity documents, to financial details, or contracts — Proton Drive lets you safeguard sensitive files with complete peace of mind.
Back up your precious photos
Proton Drive automatically uploads your photos to a secure cloud, ensuring your memories stay protected and are always accessible.
Take control of your data
Built with privacy and security at its core, Proton Drive prevents your data from being used by hackers, scammers, advertisers, or AI.
Keep your files at your fingertips
Proton Drive lets you access your files across all your devices — anytime, anywhere.
Access on any device
Upload files to Proton Drive and access them seamlessly across your browser, desktop, and mobile phone. Whether you’re at your desk or on the go, you'll be able to view, manage, and edit your files without missing a beat.
Keep files in sync
With Proton Drive's real-time file sync, you'll always have the latest version of your files at hand. Work on files with others and any updates, made by you or them, will be instantly reflected across all of your devices.
Work on files offline
When going somewhere with low connectivity, you can sync cloud-stored files with your desktop to access and edit them even without an internet connection. Your updates will sync across your devices once you’re back online.
Recover previous file versions
With Proton Drive’s Plus and Unlimited plans you can track and restore previous versions of your files. Enjoy the comfort of knowing that, even if you accidentally delete a file, you can always revert to earlier drafts.
Safeguard your business
Join over 50,000 organizations using Proton to secure their teams’ workflows and protect critical data from breaches, ransomware, and surveillance.
Automatic photo backup regularly uploads your images to our secure cloud, ensuring that if your phone is lost, damaged, or stolen — or if you delete photos to free up space — you can still access your most cherished memories.
Protect your files from prying eyes
No ads | No investors | No hidden agendas
Proton Drive’s end-to-end encryption ensures only you and the people you choose can access your files and folders — not even Proton can see what you store.
Store your files, documents, photos, and more
Get started with secure file storage
Why you should use cloud storage
People often use the cloud for saving photos and videos, collaborating with colleagues, and sharing large files. Cloud storage simplifies sharing large files, real-time collaboration and accessing files across multiple devices.
The difference between file backup and file sync
Backup and sync are different approaches to storing and updating files that have become popular with the rise of cloud storage. Knowing which one to use and when is an important part of using your cloud storage effectively.
The best encryption for cloud storage
If you’ve ever stored documents or images on the internet, then you’ve relied on cloud encryption to keep your files safe. Explore different types of encryption and how various cloud storage providers use them to protect data.
Frequently asked questions