Protonmail Windows — App

No need to mess with IMAP/SMTP settings; just log in and go. How to Get Started

. Select the Windows version to download the installer. 4. Technical Comparison: App vs. Bridge Feature Proton Mail Desktop App Proton Mail Bridge Primary Use Native, standalone experience Integrates with Outlook or Thunderbird Interface Familiar Proton web-like UI Uses your chosen client's UI Security Sandboxed desktop environment Encrypts data for local storage Offline Access Limited/Web-based Full offline support via third-party client Would you like to know more about the protonmail windows app

Receive real-time alerts in the Windows Action Center without keeping a browser tab open. No need to mess with IMAP/SMTP settings; just log in and go

Easily jump between Proton Mail and Proton Calendar within the same interface. Easily jump between Proton Mail and Proton Calendar

Comparison: The web app via ServiceWorker can also work offline but with stricter storage limits (browser quotas ~50-100MB vs desktop unlimited by OS).

: Choose between Light, Dark, or "System" themes to match your Windows settings.