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Mailbird: all versions and old releases

A powerful, intuitive, ultra-customizable and dead set on mailing

Mailbird Email clients #28 Email clients

27 versions of Mailbird are listed here, from May 14, 2024 to the current 3.0.63. Each one links to the publisher’s own installer files.

2024: 8 8 24 2025: 10 10 25 2026: 9 9 26

27 versions over 2 years · about 12 a year

VersionDateSizeFiles
3.0.63Latest August 31, 2026 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed issue with missing elements in emails with MS Office specific content.
3.0.61 May 19, 2026 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Updated the internal browser.

Fixed Bugs
- Fixed rare issue with missing text in emails with malformed MS Outlook conditionals.
- Fixed email body display issue with online.no.
3.0.60 May 14, 2026 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed issue where Exchange account is incorrectly changed to IMAP after adding account.
- Fixed issue with cancel button when editing an account.
3.0.58 May 10, 2026 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed OAuth window incorrectly triggered when editing existing OAuth account.
3.0.57 May 4, 2026 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed an internal issue to support ongoing improvements.
3.0.55 April 30, 2026 — 64-bit EXE32-bit EXE
Release notes
New Features
- Added OAuth provider selection for new accounts.

Enhancements
- Improved OAuth authorization flow with confirmation step, loading state, and clearer error handling.
3.0.53 March 18, 2026 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed a display issue affecting some users.
3.0.51 March 16, 2026 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Improved styling and performance.
3.0.49 February 14, 2026 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Improved styling and performance.
3.0.47 November 27, 2025 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed issue with calendar events not updating properly.
- Fixed issue with image buttons in emails from Uber not being clickable due to a recent Uber change.
3.0.46 November 18, 2025 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Improved styling and performance.
3.0.44 September 18, 2025 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Meeting invites work more smoothly with Exchange.

Fixed Bugs
- Fixed a problem where some email content wasn’t downloading properly.
- Fixed an issue that could happen when upgrading from a very old version of Mailbird.
3.0.42 July 23, 2025 — 64-bit EXE32-bit EXE
Release notes
New Features
- Added Microsoft OneDrive and Outlook In-Place Archive apps.

Enhancements
- Fixed some clipping issues with long text strings in other languages than English.
- Updated internal browser.
- Removed Skype, as it's now Microsoft Teams.
- IMAP, POP3 and SMTP will now try to use the default IP version, rather than always IPv4.

Fixed Bugs
- Fixed rare sending issue with Posteo.
- IMAP search will no longer surround text with quotes, as it's not part of the specs.
- Fixed a rare issue where email content would render multiple times when the email was unusually formed.
- Fixed rare crash that could occur if messages referenced each other as replies.
- Fixed issue with the print dialog sometimes opening twice.
- Fixed random crash that could occur when viewing an email.
- Improved calendar invitation processing when encountering malformed invites.
- Fixed an issue with mails getting stuck in Drafts after sending.
- Fixed issue with Mailbird crashing on startup in rare cases.
- Fixed issue with not being able to switch between accounts in Google apps.
- Fixed issue with certain apps not appearing until after the first restart.
3.0.39 April 17, 2025 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed issue with Mailbird crashing on startup in rare cases.
3.0.38 April 15, 2025 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Improved styling and performance.

Fixed Bugs
- Fixed issue where snoozed announcement keep showing up after restart due to different date time format.
3.0.35 March 24, 2025 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed issue with Leave Me Alone announcement showing up behind the welcome or trial windows.
- Fixed issue with moving a message to another account.
- Fixed issue with PST import not including all email contacts.
3.0.33 March 10, 2025 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed crash that could occur when upgrading from 2.x to 3.x.
3.0.32 March 7, 2025 — 64-bit EXE32-bit EXE
Release notes
New Features
- Added Leave Me Alone app.

Enhancements
- Improved styling and performance.
- Undo send period set to 5 seconds by default for new users.
- Cleaned up the composing tab of the settings by combining the email tracking group with sending.
- Moved settings for sending up higher in the composing tab of the settings.

Fixed Bugs
- Fixed issue where forwarding an email didn't include the email to be forwarded if it was malformed.
- Fixed issue with inline reply triggering for normal indented text.
- Fixed unreadable emails due to the mail viewer using the PC's dark mode.BugFix=Fixed broken astronaut background image.
- Fixed issue with Google Calendar sidebar event delete button not working.
- Personal Outlook.com accounts with custom domains will now correctly default to IMAP/SMTP.
3.0.29 January 17, 2025 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Enabled dark theme for free users.
- Improved handling of Google OAuth 2.0 granular consent.

Fixed Bugs
- Fixed misspelling of "occurred".
- Fixed issue with question mark emoji incorrectly appearing in email subjects.
- Fixed issue with spelling suggestions not appearing for languages installed on Windows.
- Fixed issue where feature slider is not working automatically.
3.0.27 November 22, 2024 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Improved styling and performance.
Fixed Bugs
- Fixed issue with Contacts app not loading after restart.
- Fixed issue with excessive resource usage when moving messages between accounts while unable to download the source messages.
3.0.25 November 5, 2024 — 64-bit EXE32-bit EXE
Release notes
New Features
- Added functionality to import accounts from Postbox.
3.0.24 October 21, 2024 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed rare issue with some servers with potentially very long delays when receiving or sending email, where a restart would accelerate it but it would happen again later.
3.0.23 October 15, 2024 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Improved the look of Sapling suggestion popup.

Fixed Bugs
- Fixed issue with blocked senders or other filters that move messages from the inbox.
- Fixed issue with image resizer staying visible when typing.
- Fixed a rare Mailbird Calendar timezone issue with Google Calendar accounts.
- Fixed issue with drafts not always saving properly and showing a warning.
- Fixed rare Google issue with messages returning when being moved to another folder.
- Fixed freeze and potential lost quick-reply draft when clicking a Sapling link in quick-reply that would open the app.
- Fixed issue with duplicate phone numbers for contacts synced from Exchange.
- Fixed 404 redirection issue in ChatGPT app.
3.0.18 August 7, 2024 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed issue that could cause an account's server type to change when editing it.
- Fixed rare issue with new messages being incorrectly moved to spam.
3.0.17 July 15, 2024 — 64-bit EXE32-bit EXE
Release notes
Fixed Bugs
- Fixed issue where email tracking usage limit are falling back to default.
- Fixed issue where max account limit are falling back to default.
- Fixed login issues with Outlook Calendar app.
3.0.14 June 2, 2024 — 64-bit EXE32-bit EXE
Release notes
Enhancements
- Added OAuth 2.0 support for Outlook.com accounts.
3.0.13 May 14, 2024 — 64-bit EXE32-bit EXE

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