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Thunderbird for Mac
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Thunderbird 142.0

  -  133 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 142.0.


For those interested in downloading the most recent release of Thunderbird for Mac 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 142.0
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  • Thunderbird 142.0 Screenshots

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    Thunderbird 142.0 Screenshot 1
  • Thunderbird 142.0 Screenshot 2
  • Thunderbird 142.0 Screenshot 3
  • Thunderbird 142.0 Screenshot 4
  • Thunderbird 142.0 Screenshot 5

What's new in this version:

New:
- Visual signatures can be added to PDF attachments opened in Thunderbird
- 'Copy Message Link' and 'Copy News Link' added to header pane 'More actions'
- Folder copy enabled within mail server accounts and local folders
- 'Reset Folder Order' option added to folder pane to reset custom folder sorting

Changed:
- 'Copy Message Location' removed from mail context menu

Fixed:
- Users with attachments open in tabs saw an error on Thunderbird restart
- Notification sounds did not respect operating system's do-not-disturb mode
- Non-English localized Thunderbird created English special folders on first start
- Users were unable to use Fastmail calendars due to missing OAuth settings
- Sending from unified or local folder failed if no default account was set
- Right-clicking 'List-ID' -> 'Unsubscribe' created double encoded draft subject
- On Linux, the close caption button was inactive when mouse was in screen corner
- Toggling dark message mode did not restore focus and scroll position
- Message list scrolled back when returning to mail tab after opening a message
- Deleting a single message in folder using 'Group by Sort' failed after CTRL+A
- New newsgroups were not added in alphabetical order by default
- After updating to version 142, all newsgroup folders were sorted alphabetically
- With Thunderbird closed, clicking a 'mailto:' link to send signed message failed
- Replying could fail with mailnews.reply_quoting_selection.multi_word set false
- Multiple saves while using 'Options' -> 'Send a Copy' resulted in multiple copies
- Thunderbird did not display contact photos in WebP format from CardDAV servers
- Installations from Microsoft Store did not open when clicking 'mailto:' links
- Clicking the backspace icon in the quick filter field cleared the input field
- Initial launch had long load times and UI lag while messages downloaded
- 'Mark' -> 'All Read' affected newsgroup messages that had not been fetched yet
- Thunderbird could not reconnect to newsgroups after connection loss until restarted
- Sending a newsgroup post appeared successful when it had actually failed
- Archived RSS feed messages were sent to the archive folder of default identity
- Opening Website header link in RSS feed incorrectly re-encoded URL parameters
- Visual and UX improvements
- Security fixes

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