Download Mozilla Thunderbird 38.5.1

The Mozilla Foundation has released an update to version 38.5.0 of Thunderbird. Mozilla Thunderbird is an open source email and newsgroup client, with features such as support for several mail and news accounts, a spam filter, spell checker, and a customizable look and feel. In version 38, oauth2 authentication for Gmail has been added, the calendar add-on Lightning is now included as standard and can also be sent filters and archived messages. In version 38.5.1 no changes have been made to the program itself. However, the installation file is provided with a stronger certificate, in order to meet the new requirements of Microsoft.

Changed

• Use a SHA-256 signing certificate for Windows builds, to meet new signing requirements

Known Issues

• Windows XP SP2 will no longer install Thunderbird (workaround: Install Thunderbird 38.5.0 then update)

The following downloads are available:
Mozilla Thunderbird 38.5.1 for Windows (English)
Mozilla Thunderbird 38.5.1 for Linux (English)
Mozilla Thunderbird 38.5.1 for OS X (English)
Mozilla Thunderbird 38.5.1 for Windows (English)
Mozilla Thunderbird 38.5.1 for Linux (English)
Mozilla Thunderbird 38.5.1 for OS X (English)
Mozilla Thunderbird 38.5.1 for Windows (Frisian)
Mozilla Thunderbird 38.5.1 for Linux (Frisian)
Mozilla Thunderbird 38.5.1 for OS X (Frisian)