Are you sure you need a USB stick? Sometimes "portable" means "accessible from any device without leaving data behind."
Several email clients offer portability, such as Mozilla Thunderbird, Microsoft Outlook, and eM Client. However, these clients either do not support end-to-end encryption or require complex setup and configuration. ProtonMail's existing web and mobile applications provide a seamless user experience, but a desktop app would cater to users who prefer a native client. proton mail desktop app portable
Currently, Proton Mail offers the "Bridge," an application that acts as a local server, encrypting and decrypting emails on the fly so they can be used with standard desktop clients like Outlook, Apple Mail, or Thunderbird. While the Bridge is powerful, it is inherently heavy and system-dependent. It requires installation, configuration of system ports, and integration with the operating system’s security certificates. Are you sure you need a USB stick
In conclusion, a portable ProtonMail desktop app offers a convenient, secure, and flexible way to access your encrypted emails on the go. By following the methods outlined above, you can enjoy the benefits of ProtonMail's secure email service without being tied to a specific computer. ProtonMail's existing web and mobile applications provide a