News Summary

Proton, a Swiss software company, has expanded its productivity suite by launching Proton Sheets, a new spreadsheet tool with end-to-end encryption. The tool offers real-time collaboration and access controls, allowing users to manage who can view and edit files. Proton Sheets supports importing CSV and XLS files and includes commonly used formulas for calculations. This launch is part of Proton’s broader suite, which includes Drive, Docs, Mail, and VPN services, all emphasizing user privacy and data protection.