Proton Mail Bridge

Proton AG·Proton.ProtonMailBridge

Use Proton Mail with your desktop email client

Proton Mail Bridge adds end-to-end encryption to popular email apps, including Outlook, Thunderbird, and Apple Mail. Secure email made easy.

winget install --id Proton.ProtonMailBridge --exact --source winget

Latest 3.26.0·August 17, 2026

Release Notes

Added

  • BRIDGE-576: Added logging to current auth session ID.
  • BRIDGE-568: Added meta+W shortcut to close the main window.
  • BRIDGE-571: Added a marker for the initial eventID during sync. Changed
  • BRIDGE-601: Calendar Event doesn't mutate a copy in go-proton-api.
  • BRIDGE-602: Remove unused worker-pool implementation in go-proton-api.
  • BRIDGE-603: Removed unused futures implementation in go-proton-api.
  • BRIDGE-611: HV requests resolve to correct API environment.
  • BRIDGE-587: Vulnerabilities Patched July 2026.
  • BRIDGE-581: Replaced FILENAME_VARIABLE with OUTPUT_SCRIPT for bridge-gui.
  • BRIDGE-574: Go Toolchain bump to 1.26.4.
  • BRIDGE-577: Replaced gomock with uber-go/mock.
  • BRIDGE-555: Go Toolchain bump to 1.26.3 & Vulnerabilities patched for June 2026.
  • BRIDGE-582: Empty address list now returns nil instead of empty list per RFC 3501.
  • BRIDGE-610: Literals are now structurally compared if byte-for-byte comparison fails.
  • BRIDGE-558: Orphaned unencrypted vaults are now deleted once keychain access is gained. Fixed
  • BRIDGE-612: Fixed a crash on macOS 27.
  • BRIDGE-608: Fixed an issue with sync_test that doesn't panic. Proper event resolution for SyncFinished event in UserRefreshEvent test.
  • BRIDGE-608: Fixed wait time for TestBridge_SendInvite test.
  • BRIDGE-561: Fixed an issue where in-flight cancelled request caused a connection-down status.
  • BRIDGE-563: Fixed an issue where cpu and memory where unbounded in the rfcparser for Gluon.

Installer type: exe

x6484E364280F0168621FDBBEFCDD5ED3BB27EE9E0C495FFD7ED3504B22AE7C3F8E

Details

Homepage
https://proton.me/mail/bridge
License
GPL-3.0
Publisher
Proton AG
Support
https://proton.me/support/mail/
Privacy Policy
https://proton.me/legal/privacy
Copyright
Copyright (c) 2026 Proton AG
Moniker
protonmailbridge

Tags

emailmailproton-mail

Older versions (23)

3.25.0
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3.24.2
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3.24.1
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3.23.1
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3.22.0
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3.21.1
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3.20.0
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3.19.0
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3.18.0
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3.17.0
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3.16.0
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3.15.1
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3.15.0
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3.14.0
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3.13.0
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3.12.0
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3.11.1
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3.11.0
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3.10.0
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3.9.1
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3.1.3
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2.3.0
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2.1.3
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