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

Thunderbird (64-bit)

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Thunderbird 115.1.1 (64-bit)

  -  57.2 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 115.1.1 (64-bit).


For those interested in downloading the most recent release of Thunderbird (64-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 115.1.1 (64-bit)

  • Thunderbird 115.1.1 (64-bit) Screenshots

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    Thunderbird 115.1.1 (64-bit) Screenshot 1
  • Thunderbird 115.1.1 (64-bit) Screenshot 2

What's new in this version:

Fixed:
- Some HTML emails printed headers on first page and message on subsequent pages
- Deleting messages from message list sometimes scrolled list to bottom, selecting bottommost message
- Width of icon columns (like Junk or Starred) in message list did not adjust when UI density was changed
- Old OpenPGP secret keys could not be used to decrypt messages under certain circumstances
- When multiple folder modes were active, tab focus navigated through all folder mode options before reaching message list
- Unread message count badge was not displayed on parent folders of subfolder containing unread messages
- "Undo archive" (via Ctrl-Z) did not un-archive previously archived messages
- "New" button dropdown menu in "Message Filters" dialog could not be opened via keyboard navigation
- "Show New Mail Alert for" input field in "Customize New Mail Alert" dialog had zero width when using certain language packs
- "Account Wizard" dialog was too narrow when adding a news server, partially hiding confirmation buttons
- Link Properties and Image Properties dialogs in the composer were too wide
- Thunderbird version number and details in "About" dialog were not automatically read by screen readers when first opening dialog
- Flatpak improvements and bug fixes
- Various visual and UX improvements

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