Portable: Proton Mail Desktop App

(Note: The Bridge itself isn't officially portable, but you can copy the installed program files to a USB).

If you lose your thumb drive, anyone can access your local cache. Use a hardware-encrypted drive or a tool like VeraCrypt to protect the partition. proton mail desktop app portable

Keep your emails, settings, and drafts on a thumb drive. Plug it into any PC, and your workspace is exactly how you left it. Does an Official "Portable" Proton Mail App Exist? (Note: The Bridge itself isn't officially portable, but

Running security-focused software from a USB drive introduces unique risks. If you’re going the portable route, keep these tips in mind: Keep your emails, settings, and drafts on a thumb drive

If you don't want to mess with file extractions, the approach is the cleanest "lightweight" version.

Even with a portable app, it's a good habit to log out if you are using a high-risk public computer.

In the browser settings, select "Install Proton Mail" or "Add to Desktop."