ElectronMail
Proton Mail users can access their accounts through this unofficial desktop application.
About ElectronMail
ElectronMail is an unofficial, open source desktop client for ProtonMail. It is built with Electron, written in TypeScript, and uses Angular. The source code and installation packages are distributed through GitHub.
With the app, you can access ProtonMail accounts from a desktop program on Linux, macOS, and Windows. It supports multiple accounts, full-text search including message body content, and offline viewing of stored messages. Messages can be kept in an encrypted local store and exported to EML or JSON files. It also includes automatic login options, persistent account sessions, and encrypted local storage.
It suits ProtonMail users who prefer a desktop program instead of using a web browser on Linux, macOS, or Windows, especially those who use multiple accounts or want local message storage and search.
Key features
- Unofficial desktop client for ProtonMail accounts
- Works on Linux, macOS, and Windows
- Full-text search including email body content
- Offline access to stored email body content
- Support for multiple accounts with individual API entry points
- Encrypted local storage using Argon2 by default
Best for: ProtonMail users who want desktop access on Linux, macOS, or Windows.
Good for
- Open source with reproducible builds
- Cross-platform installation packages available
- Offline access and full-text search
- Supports multiple accounts
Watch out for
- Unofficial client, not from ProtonMail
- Attachments not stored for offline use
ElectronMail at a glance
- Category
- Productivity › Email Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Email Tools
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ElectronMail FAQ
What is ElectronMail?
ElectronMail is an unofficial Electron-based desktop client for ProtonMail. Its source code is published on GitHub.
Which operating systems does ElectronMail support?
It works on Linux, macOS, and Windows. Installation packages are provided through the releases page.
Can I read email offline with ElectronMail?
Yes, the local store feature saves message body content in an encrypted file for offline viewing and search. Attachment content is not stored locally.
Is ElectronMail open source?
Yes, it is listed as open source. The code can be reviewed and built from the GitHub repository.
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