Download List

Project Description

Tenfourbird is unofficial build of Mozilla Thunderbird for PowerPC based Mac OS X.

Tenfourbird uses changesets of TenFourFox.

Latest version is 38.9.0.

System Requirements

System requirement is not defined

Released at 2015-05-20 01:00
Tenfourbird-31 31.7.0 (8 files Hide)

Release Notes

Tenfourbird 31.7.0

If you find bug, please report to Forums or Ticket system.


You can check integrity of files by RIPEMD160 or SHA512 hashes. It signed by OpenPGP key of t_mrc-ct[at] The public key could get from here or OpenPGP Keysever.


Other langpacks have not been updated since v31.0.

You can use these on Tenfourbird 31.7.0.


Known Issues

  • Auto Updater does not fully supported. (Update Checker is supported. But you need to download and install new version manually.)
  • Tenfourbird doesn't contains Enigmail add-on since v17.0. It provide separately.
  • Enigmail for Tenfourbird 10.0.* or before does not update automatically. You need to download and install Enigmail for Tenfourbird manually.
  • Sudden message deletion issue is reported. I think it may related Mbox compaction. I recommend mail backup before folder compaction.
  • Chat communication disconnects regularly. (forum)
  • There are also open tickets reported.

What is Tenfourbird based on?

See also


Tenfourbird 31.7.0


  • Update codebase to Thunderbird 31.7.0 and TenFourFox 31.7.0


  • Update codebase to Thunderbird 31.6.0 and TenFourFox 31.6.0


  • Update codebase to Thunderbird 31.5.0 and TenFourFox 31.5.0
  • Add Yahoo! Messenger and Odnoklassniki chat protocol support. (forum)


  • Update codebase to Thunderbird 31.4.0 and TenFourFox 31.4.0


  • Update codebase to Thunderbird 31.3.0 and TenFourFox 31.3.0


  • Update codebase to Thunderbird 31.2.0 and TenFourFox 31.2.0


  • Update codebase to Thunderbird 31.1.2 and TenFourFox 31.1.1


  • Update codebase to Thunderbird 31.1.1


  • Update codebase to Thunderbird 31.1.0 and TenFourFox 31.1.0


  • waiting cursor (blue spinning beachball) could disable/enable with pref ui.use_activity_cursor (forum)
  • Update codebase to Thunderbird 31.0 and TenFourFox 31.0

31.0 b2

  • USE_970_BRANCHING because of G5 crash (see also: Issue 280)
  • Update codebase to Thunderbird 31.0b2 and TenFourFox 31.0b3

31.0 b1

  • Release skipped.

See also