Proton Launches Privacy-Focused Encrypted Spreadsheet App
Proton, the Swiss company best known for its secure email service, has expanded its lineup of privacy-first tools with a new encrypted spreadsheet application. This move aims to give users a more secure way to handle data while working on cloud-based documents. The new Proton Sheets joins other Proton productivity tools designed to protect user privacy at every step.
Expanding Proton’s Privacy Suite
Proton’s journey into secure cloud tools started with Proton Drive in 2022, a safe storage service that keeps files encrypted and private. Last year, they added a collaborative document editor to allow real-time editing while maintaining privacy. Now, Proton Sheets is the latest addition, offering a familiar spreadsheet experience with a strong focus on security.
Proton Sheets is built to resemble popular tools like Microsoft Excel and Google Sheets. It includes features like data visualization, formulas, and the ability to collaborate with others in real time. The app is accessible on all devices, whether desktop or mobile, and provides detailed access controls so users can decide who can view or edit their files. The core idea is to keep data private by default, meaning everything—including metadata like filenames—is encrypted and only accessible with user permission.
Strong Privacy and Security Features
What sets Proton Sheets apart is its emphasis on privacy. The app is designed so that user data isn’t collected or used for AI training, addressing concerns about data exploitation. Proton highlights that users can collaborate freely, knowing that their information is protected and not being mined or shared without consent.
Built with end-to-end encryption, Proton Sheets encrypts all data before it leaves the user’s device. This way, Proton itself never has access to unencrypted files or metadata. Users can work confidently, knowing their sensitive data isn’t vulnerable to hacking or unauthorized access. Proton’s approach aims to reclaim data sovereignty in a world where privacy is often compromised by big tech platforms.
Proton Sheets is available not just for paid subscribers but also for free users of Proton Drive. This makes it accessible for individuals and small businesses wanting a secure alternative to mainstream cloud spreadsheet solutions. Proton’s focus on privacy makes it a compelling choice for anyone concerned about data security in their everyday productivity tools.












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