

That folder is located in ThunderbirdPortable\Data\profile. Now copy the files localstore.rdf, abook.mab, prefs.js, and the Mail and News folders to the profile folder of the Thunderbird portable directory. Select Help > Troubleshooting Information > Open Folder if you have difficulties locating the profile folder. Locate your Thunderbird profile folder which can normally be located in "C:\Documents and Settings\username\Application Data\Thunderbird\Profiles\fault" if you are running Windows XP or C:\Users\username\AppData\Roaming\Thunderbird\Profiles\fault on newer versions of the Windows operating system. Please note that this installation is more or less only an unpacking of the content, nothing is written to the Registry or system files.

#HOW TO BACKUP THUNDERBIRD PORTABLE EMAIL SETTINGS INSTALL#
Here is how I did itĭownload the portable version of Thunderbird and install it on your hard drive or device that you want to use. It took some time but I finally managed that Thunderbird portable had all the mails, contacts and settings that I have had access to and used in Thunderbird for some years now.

One of the things that I had to do was to copy the existing profile, including all emails, to the portable Thunderbird folder so that it would pick those up. I'm using Thunderbird on my desktop computer and made the decision to install a portable version of Thunderbird on my USB drive so that I can use it to check emails when I'm on the road using a different computer.
