Proton just rolled out something that privacy minded businesses have been waiting for. It is a real spreadsheet alternative that does not pipe sensitive data into someone else’s AI model. The new Proton Sheets feature drops right into Proton Drive as an end to end encrypted spreadsheet that actually keeps corporate data private instead of quietly feeding it into Big Tech’s product pipelines. Teams can collaborate in real time and crunch numbers just like they would in Google Sheets, except without wondering who else might be peeking behind the scenes.
For many companies, spreadsheets hold the most sensitive information. Budgets, inventory lists, payroll planning, all the stuff you do not want training a model somewhere in a server farm. Google’s own Gemini support pages tell users not to put confidential information into Sheets, yet Gemini is still deeply integrated into the product. That contradiction has pushed businesses to look for something more private. Proton Sheets meets that demand by encrypting everything by default, even filenames, and locking it all away from Proton itself.
Using Proton Sheets should feel familiar, which is part of the appeal. The interface mirrors what office workers already know, so there is no learning curve or major onboarding effort. Quick formulas, data visualization, filtering tools, and charting are all included. Teams can co edit files with live updates, manage permissions, revoke access instantly, and import CSV or XLS files with encryption applied the moment they arrive. It fits neatly into the broader Proton suite, from email to calendar to documents, creating a workspace that acts like Google Drive while avoiding the surveillance concerns that come with Big Tech offerings.
Proton is framing Sheets as more than another productivity feature. It reflects a bigger shift in the workplace, where organizations are becoming uneasy about AI being added to every tool they rely on. When the software that holds your most sensitive data also belongs to a corporation built on collecting that data, trust becomes hard to maintain. Proton Sheets gives companies a way to stay productive without accepting that uncomfortable trade off, and it will likely find an audience among teams who want privacy without sacrificing usability.
