When you use the bbo tool you can 1) replace the old with the new list 2) append a new list to the old one 3) remove a list 4) download a list https://webutil.bridgebase.com/v2/manage_include.php?v3b=web&v3v=5.6.21 When you changed the list with the tool, it is saved at BBO and it makes no difference from which computer you made the changes. When you are still using the very old client, then things are working different. Explain a bit more what exactly you are using and doing.