Proton Sheets: Encrypted spreadsheet joins Proton Workspace
Proton Sheets arrives — encrypted, privacy-first spreadsheets in Proton Workspace Proton has expanded its Workspace suite with Proton Sheets, a new spreadsheet app built into Proton Drive. The editor supports real-time collaboration, CSV and XLS import, common formulas and access from desktop and mobile devices. Privacy is the headline feature: Proton says Sheets uses end-to-end encryption by default and that user data will not be used to train AI models. That positions Proton Sheets as a paid, privacy-focused alternative to mainstream productivity tools. Key features End-to-end encryption: Data is encrypted by default while stored and edited in Sheets. Collaboration: Real-time multi-user editing and permissions for viewers and editors. Compatibility: Import CSV and XLS files and use familiar spreadsheet formulas. Cross-device: Access and edit on desktop and mobile. Integration: Works inside…
