I have upgraded a clients website from 2.1.1 to 2.5, then used used Store Import in a new install of 4.2 and imported the old website which was 2.5 version. All worked ok, but it took ages. This site is on a spare domain so not live for the client.
Now 5 months later, my client decides to progress the new website 4.2. However of course, there are lots of users who have joined the old live site.
Is there a way to export the customer user data tables and import those in via PHPMyAdmin admin?
I don't want to have to do the stow import again, too many hours lost.