Proton Sheets: Encrypted Spreadsheet Alternative to Excel & Google Sheets

Introduction

Proton has launched Proton Sheets, an end-to-end encrypted spreadsheet application for web users prioritizing data privacy. It encrypts all content, including filenames and metadata, by default and does not use data for AI training, distinguishing it from Big Tech options.

Core Features and Security

Proton Sheets offers familiar functionality like formulas, charts, and graphs, supporting real-time collaboration with full encryption. Users can import CSV or XLS files, which are encrypted upon upload, and manage access with granular permissions.

Integration and Availability

Accessible through web browsers and Proton Drive, it integrates into a productivity suite with email, calendar, and documents, creating a cohesive encryption tool ecosystem. This launch marks Proton's expansion into competing with established spreadsheet tool providers while upholding privacy-first values.

Pros and Cons

Advantages

• End-to-end encryption for all data
• No AI training data collection
• Real-time encrypted collaboration
• Integration with Proton Drive
• Familiar interface and features
• Secure file import
• Granular access control

Disadvantages

• Fewer advanced features than Excel
• Smaller user base than Google Sheets
• Learning curve for new users
• Requires Proton account

Conclusion

Proton Sheets represents a key advancement in privacy-focused productivity, offering a viable alternative for secure data handling. While lacking some advanced features, its encryption and privacy protection make it valuable for sensitive tasks, part of Proton's expanding cloud storage ecosystem.