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ElectronMail 5.3.10 for Mac

ElectronMail 5.3.10 for Mac

Mac Utilities
Updated Aug 12, 2026
Mac Utilities • Updated Aug 12, 2026

ElectronMail is an open source, unofficial desktop client for Proton Mail. It wraps the Proton web clients into a proper Mac application and adds the things a browser tab cannot do well. Your mail can live in an encrypted local store, so messages stay readable and searchable while you are offline, and several Proton accounts sit side by side in one window.

Key Features

  • Full text search that also scans the body of your messages
  • Encrypted local store for offline reading and message export
  • Multiple Proton accounts in one app, each with its own settings
  • Tray icon with unread counts plus native notifications per account
  • Dark mode, spell checking and batch export of mail to EML files

How to Download

  1. Use the download button on this page, or Download from the official site to open the project page.
  2. Pick the Mac package for your chip, Intel or Apple Silicon, from the releases.
  3. Move ElectronMail into Applications, open it and sign in to your Proton account.

System Requirements

ElectronMail runs on macOS on both Intel and Apple Silicon Macs, with separate download packages for each. You need a Proton Mail account, and some features such as the local store are switched on per account.

FAQs

Is ElectronMail made by Proton?

No. It is an independent open source project that packages the official Proton web clients. Your sign in still goes to Proton itself.

Can I read my mail offline?

Yes, once the local store is enabled for an account. Message bodies are kept in an encrypted database that you can search and export.

Does it support more than one account?

Yes. Add several accounts, set a proxy or custom style per account, and see one combined unread count in the tray.

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