I had a user upgrade from the free version to the commercial version - Unable to access old datasource

We purchased the commercial version and we had a smattering of users using the free version. For the most part, they upgraded smoothly and were still able to access their old data source so they could pivot between the centralized one and their custom local one. i had one user however install the commercial version and their old data source is no longer available. They still have the files under %appdata%\local\devolutions\remotedesktopmanagerfree\...
but I'm not sure if I can meaningfully use those.