I want to regularly temporarily move my Thunderbird data to another computer running Thunderbird and then back again later. I am not permanently migrating. I do not want to move all my data from one machine to the other, just my Thunderbird folders, tasks, address book, etc. In Outlook this is accomplished simply by exporting the .pst on one computer and importing on the other. Is there a simple way to accomplish this without using Windows transfer or duplicating everything in Gmail?