A free email application from Mozilla that's easy to set up and customize

Thunderbird (32-bit)
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Thunderbird 144.0 (32-bit)

  -  68.5 MB  -  Open Source
Free Download

Security Status

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Thunderbird 144.0 (32-bit).


For those interested in downloading the most recent release of Thunderbird (32-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download Thunderbird 144.0 (32-bit)
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  • Thunderbird 144.0 (32-bit) Screenshots

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    Thunderbird 144.0 (32-bit) Screenshot 1
  • Thunderbird 144.0 (32-bit) Screenshot 2

What's new in this version:

Changed:
- Flatpak runtime has been updated to Freedesktop SDK 24.08

Fixed:
- Copying text from some error alerts was not possible
- Fastmail CalDAV app password access failed due to forced OAuth regression
- Delete key failed to prevent deleting attachments in OpenPGP messages
- Newly created folder was missing under "Recent" when moving a message
- Sender avatar displayed incorrectly for 'Name' via address sender format
- Sorting by threads only brought threads with unread top messages to the top
- News message marked read after NNTP error prevented retrieval from server
- Inbox 'Location' column was not translated in French locale installation
- Not all headers were signed when creating digitally signed OpenPGP email
- Users could not read mail signed with OpenPGP v6 and PQC keys
- Testing a configured personal S/MIME certificate for a sub-identity did not work
- Testing an S/MIME certificate did not work for an old invalid certificate
- Changing identity in compose window caused modified draft not to be saved
- Shift-click 'Compose Message To' on 'mailto' link did not open in plain text
- Image preview in Insert Image dialog failed with CSP error for web resources
- Thunderbird could crash in various scenarios
- 'Copy Message to' action in a newsgroup filter did not work
- Thunderbird could not import profile located at the top level of zip file
- Thunderbird did not clearly fail when importing profile from a bad source
- No way to distinguish between Thunderbird Release/ESR in Windows registry
- Multi-attachment delete/detach confirmation only cited first attachment
- Thunderbird hung when auto-checking multiple accounts for new messages
- Reply All button was missing when using a Microsoft Exchange account
- Sending emails via servers with self-signed certificate did not work
- Task reminders could fail for tasks without end dates or with shifted due dates
- Could not copy an event in multiweek or month view by drag-and-drop
- Calendar discovery with certificate error displayed multiple exceptions
- Visual and UX improvements
- Security fixes

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