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

Thunderbird (32-bit)
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Thunderbird 151.0 (32-bit)

  -  72.6 MB  -  Open Source
Free Download

Safe & Secure

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 151.0 (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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Download Thunderbird 151.0 (32-bit)
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  • Thunderbird 151.0 (32-bit) Screenshots

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    Thunderbird 151.0 (32-bit) Screenshot 1
  • Thunderbird 151.0 (32-bit) Screenshot 2

What's new in this version:

New:
- Enable Thundermail OAuth sign-in with account auto-configuration
- Enable users to override OAuth provider details for EWS accounts
- Tasks can be sorted by created or modified date

Changed:
- Reinstated default application check when Thunderbird starts
- OpenPGP public key no longer attached by default in signed-only messages

Fixed:
- Thunderbird could crash when processing message headers
- Thunderbird could crash on startup
- Calendar view tabs were not properly keyboard accessible
- Thunderbird could crash when processing new incoming messages
- On macOS, dragging attachments out of Thunderbird created multiple copies
- Cancelling a newsgroup posting was not possible
- Some IMAP emails showed current time instead of correct received date
- Search result count was missing when using 'Find in Message' or Ctrl+F
- Search results showed older irrelevant emails before newer exact matches
- Reply with selected text lost formatting for HTML messages containing
- Multipart/related attachments were not preserved when editing or forwarding
- Forwarded malformed MIME email had empty body and extra attachment
- OWL add-on description was not visible in Account Hub for non-en-US locales
- Account Hub prompted for password after OAuth login, causing Outlook setup failure
- Auto-discovered Account Hub values were not preserved for manual editing
- Account Hub links for encryption and signature opened the wrong account
- Virtual folders did not update correctly for filtered POP3 messages
- Thunderbird could crash in spam filtering
- Using thunderbird -compose with double quotes made last email address invalid
- With auto-mark-read disabled, large mail still marked as read during load delay
- It was not possible to create date-only all-day tasks
- Task context menu (right-click) had several disabled menu items
- 'Current Tasks' view showed past and finished tasks instead of only unfinished
- Visual and UX improvements
- Security fixes

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