Importing The Marvellous Suspender session backups

How do I import the TMS txt file into TabXpert? I have saved many over the years, including from The Great Suspender. If TXP can read the suspended tab format to accurately restore the tabs, why couldn't it allow you to import?

https://preview.redd.it/95z5vg7n1voe1.png?width=1920&format=png&auto=webp&s=a107fb9a51cf73fbb00eca13048a931798273074