Proton Sheets is an easy-to-use, end-to-end encrypted spreadsheet that allows businesses to collaborate and manage their private data without worrying about data collection or any confidential information being used for AI training.
Proton, the privacy tech leader behind Proton Drive and Proton Docs, today announces the launch of Proton Sheets, an easy-to-use private spreadsheet that lets teams collaborate while keeping control of their data. Unlike Google Sheets or Microsoft Excel, Proton Sheets is protected by end-to-end encryption by default, ensuring that no one, not even Proton, can access users’ spreadsheets or the information they contain.
Spreadsheets are the backbone of modern businesses, used to plan budgets, manage inventory, supervise members, and organize proprietary data. This is why Excel and Google Sheets are everywhere. But organizations are increasingly concerned that these tools leave their internal data exposed to surveillance, tracking, and AI training. Google’s decision to embed Gemini into Sheets (despite Google’s own support page warning not to share anything confidential with Gemini) has only accelerated these concerns.
With Proton Sheets, users can easily and securely handle all their business’s essential records and data. It’s the private-by-default alternative meaning everything users enter, including metadata like filenames, is secure, private, and can only be accessed with their permission. Proton Sheets’ intuitive interface will be immediately familiar to users, with no need for retraining. It encrypts everything automatically, letting users focus on organizing and managing the data that matters without reducing productivity.
“With the launch of Proton Sheets, we are not just closing the productivity gap – we are reclaiming data sovereignty for businesses and individuals alike,” said Anant Vijay Singh, Head of Product at Proton Drive. “The reality today is that most spreadsheet tools come from Big Tech giants whose entire business models are built on exploiting user data. Now, with AI woven deeply into these platforms, the risks have escalated exponentially. Every keystroke, every formula you enter can feed into their AI training pipelines. This is an unacceptable trade-off. Users deserve a future free from hidden surveillance and invasive data mining. That’s why we built Proton Sheets: a robust, privacy-first alternative that puts control, security, and trust back where they belong – firmly in users hands.”
With the addition of Proton Sheets, Proton Drive now offers a clear alternative to Google Drive. Users get the same, easy-to-use, collaborative tools they need to get work done, except unlike the competition, Proton offers privacy by default.
Key features of Proton Sheets include:
Data visualization and filtering: Users can easily turn numbers into charts and graphs for instant insights. Quick calculations: Supports most commonly used formulas to handle everyday and advanced calculation needs without any additional training required. Real-time collaboration: Teams can work together seamlessly with live editing and instant updates. Cross-device access: Spreadsheets can be securely accessed from anywhere on any device for on-the-go access. Access control: Users have full management over who can view or edit files, with the ability to revoke access at any time. Spreadsheet import: Existing CSV or XLS files can be quickly imported and protected with end-to-end encryption.With the release of Proton Sheets, businesses and individuals can now protect their entire workspace, from their email to calendar, documents to spreadsheets. No surveillance. No data harvesting. Just end-to-end encrypted tools built for how you work.
More information about Proton Sheets is available on the Proton website.
About Proton
Proton was started in Switzerland in 2014 by scientists who met at the European Organization for Nuclear Research (CERN). Our vision is to build an internet where privacy is the default through an ecosystem of services accessible to everyone, everywhere, every day. Our first product, Proton Mail, is now the world’s largest encrypted email service. Subsequent Proton products such as Proton VPN, Proton Calendar, Proton Drive and Proton Pass leverage the same advanced encryption to give users full control over how and with whom their data is shared. Our products are open source, developed by a team of over 500, and supported by an active community in more than 180 countries. Proton’s primary shareholder is the non-profit Proton Foundation based in Geneva, Switzerland. Today, Proton is making privacy universally accessible and protects over 100 million accounts, including those of journalists, some of the world’s largest organizations, and ordinary people from all around the world.
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