Thunderbird (64-bit) for Windows x64 build. This Thunderbird download support x64 Windows platform such as Windows XP Professional x64 Edition, Windows Vista 64-bit and Windows 7 64-bit. Of course, it works on Windows Server x64 version.

Thunderbird is a full featured email program with built-in junk mail controls, message filters, address book, news groups and more. It offers a clean and easy to use (customizable) interface. Thunderbird also offers security features such as S/MIME, digital signing, message encryption, support for certificates and security devices. Other features include IMAP/POP compatibility, support for HTML mail, labels, quick search, return receipts, LDAP address completion, import tools and more

SoftSea Editor's Note: this Thunderbird (64-bit) is unofficial binary, only support x64 Windows platform.

The license of this software is Freeware, you can free download and free use this email client software.