Thunderbird releases portable versions of email client

New versions of the Thunderbird email client have been released in portable formats. The Thunderbird ESR (Extended Support Release) Portable Edition is packaged via PortableApps.com, allowing it to integrate with their platform and run without leaving personal information on the host machine.

Designed for large organizations such as universities, businesses, and government entities, the ESR version follows a specific release schedule distinct from the stable version. The software includes features such as quick message search, customizable views, IMAP/POP support, and an integrated RSS reader. The portable nature of the application allows users to carry their email and address books on mobile devices or USB drives.