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

Thunderbird (32-bit)

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Thunderbird 115.4.1 (32-bit)

  -  55.1 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 115.4.1 (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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Download Thunderbird 115.4.1 (32-bit)

  • Thunderbird 115.4.1 (32-bit) Screenshots

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    Thunderbird 115.4.1 (32-bit) Screenshot 1
  • Thunderbird 115.4.1 (32-bit) Screenshot 2

What's new in this version:

- Manage Newsgroups Subscription" now displayed on Account Central when using newsgroups
- Manually configured authentication methods on accounts did no always persist
- "Send Autocrypt key in header" preference was available on accounts with no encryption key
- Message list did not automatically scroll to new messages when switching folders
- "Move/Copy to again" was sometimes displayed in the folder context menu when it should not have been
- Multiple message drafts or message templates could not be opened simultaneously for editing
- Tools > Filters dialog did not open in Unified Folder view if no messages were selected
- Printing dialog could be opened, even with no messages selected
- "From" address was editable when creating a new message from a template if the account identity contained Unicode characters
- Opening a saved .eml file in compose window did not preserve message subject from file
- Replying to some plaintext messages with desired quote selected in original message did not preserve formatting of quote
- "Edit as New", "Reply", and "Redirect" could not be used on multiple messages simultaneously
- "Reply to List" option was always enabled, even with no list to reply to
- "Archive" button in message pane was enabled on messages that could not be archived
- "Followup-To" label was incorrectly labeled as "Newsgroups"
- "Save image as" option did not work for RSS feed items displayed as a webpage
- OTR verification dialog was blank, preventing verification of OTR chat sessions
- Calendar ICS parser improvements for more reliable event import
- Permission description strings were missing from Add-Ons Manager
- Various visual fixes
- Security fixes

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