This guide also describes alternative methods which are more complicated but still useful for converting from Thunderbird to Outlook. The outlook converter software automates nearly 99% of the process, but still requires some user involvement, and the article below describes it in detail. Due to the difference in data formats used by these programs and their general approach to storing data, direct import with integrated tools or functions is impossible, and such migrations require the use of specialized conversion software like Thunderbird to Outlook Transfer. This user’s manual covers the process of converting and transferring emails and attachments from Thunderbird to Outlook. The final release of Thunderbird 115 “Supernova” is expected sometime in July 2023, but no release date is set in stone at the moment of writing.Thunderbird to Outlook Transfer – User’s Manual Keep in mind that this is a pre-release version, so don’t use it to replace your stable Thunderbird installation. Meanwhile, you can download and test the Thunderbird 115 beta release from the official website. Some other smaller fixes are available in the release notes if you’re looking for something specific. Of course, there are also various bug fixes that improve existing functionality, such as the ability to reorganize Newsgroups using drag and drop, the ability to correctly announce the Message List to screen readers when in unthreaded mode, as well as the ability to right-click on unselected messages in the Message List. In addition to these small UI changes, Thunderbird 115 beta also comes with improved OpenPGP support that allows for user-defined OpenPGP passphrases, combined signing and encryption for OpenPGP messages by default, and the ability to open OpenPGP key manager’s context menu using keyboard shortcuts.

Download thunderbird