Lumo now understands LaTeX, the 'Universal' language for Maths, allowing you to generate fractions, matrices, integrals, and more... This massive update ensures that Lumo is consistently providing the same beautifully-rendered formulas instantly, right in your chat. 1/2

Have you noticed? The 'Gallery' in our Proton Drive app on Android now loads significantly faster, making scrolling through your photos super smooth. 1/2

You requested it, now it’s here - introducing Proton Sheets! The privacy-first alternative to Excel and Google Sheets. Spreadsheets form the framework of modern businesses, and with Proton Sheets, you can ensure your data is private and secure. 1/4

With Sheets, you can: 🔒 Safeguard your sensitive data with E2EE ➕ Use the built-in formulas you know and love 🕚 Work together with real-time collaboration 📊 Turn numbers into charts with data visualizations ⬇️ Easily import .CSV/.XLS 🛂 Control access at any time 2/4

Unlike spreadsheets provided by Big Tech, whose business model relies upon using your data, Proton Sheets doesn’t scan, track, or monetize your work. That means: ✅ You are in control 🚫 No file scanning or surveillance 🔐 Client and partner privacy is always respected 3/4

Whether you’re a small business, journalist, or startup, Proton Sheets helps you organize, collaborate, and protect the data that matters. We’re gradually rolling it out to users. Visit drive.proton.me > New > New Spreadsheet to check it out. 4/4

Did you know you can personalize Lumo to your liking? We built a private AI that learns about you on your terms, unlike ChatGPT or Gemini, who instead quietly comply with your requests while secretly building a profile on you.

A QR code can take you to a menu… or a fake site designed to steal your logins. That’s quishing, and it’s getting more common. Here’s what to watch for: 🧵👇

The Proton Pass CLI, which was recently released as a beta, is now officially launched! Enable faster workflows, reduce context switching, and implement secure automation across local development, servers, and CI/CD environments with this new and secure Command Line Interface.

If like many across the world you'll soon be off and looking for something to do, here’s your annual privacy & security tune-up. Cue a looooong thread to bookmark for when you’re ready to lock it down. If you've already done all of this, you dropped this: 👑 1/15

ICYMI: Proton Sheets is out and available to everyone! Check it out 🙌 A big thank you to everyone who's tried it and shared feedback. Improvements and what’s to come in 🧵 1/2

Want to access new Pass features and updates before others? The beta version of Proton Pass extension for chromium-based browsers is now accessible via the Chrome Web Store. Help us out, join our legion of testers who ensure that Proton products are the best they can be! 1/2

Starting the year with a cleaner schedule helps a lot. Proton Calendar lets you create separate calendars for work, personal, travel, or anything you want to track. Color-code them, toggle them on/off, and keep everything in view without mixing it together.

You can now test Credit Card Autofill via the Proton Pass Chrome Beta Extension. Help us get this piece of functionality read for a wider release. Access it via the Chrome Store. chromewebstore.google.com/detail/proton-…

Lumo 1.3 is here to help you get tasks done more efficiently, across all of your devices. Starting today, every user will be able to keep files, prompts, and chat histories in dedicated Projects. 🔗 Try it now: lumo.proton.me

ProtonMail doesn’t just encrypt emails between Proton users. It automatically looks up PGP public keys for anyone you email, so messages can be E2EE even when the recipient isn’t on Proton. Email isn’t private by default, but you can definitely make it more private.

When we were thinking about how Proton Drive apps interact with our backend, we had one goal: faster, more reliable file operations across all platforms. Today, we wanted to share a progress update on the Proton Drive SDK and what it unlocks next. 1/7

In 2026, we’ll migrate all existing Drive features to the SDK and build new ones on top of it — including faster encryption with hardware acceleration, more SDK features, a clearer integration path, and a Linux client. 5/7

This SDK is the foundation for a faster, more reliable Proton Drive everywhere. Read the full update to see what’s shipped, what’s in progress, and what’s coming next: proton.me/blog/drive-sdk… 7/7

📄 Scan, save, and secure your documents on Android. We’re progressively rolling out paper document scanning in Drive for Android. Files are saved as PDFs, encrypted on your device, and securely stored in Drive, ready to access or share. Now available for Android and iOS! 1/2