Bulk Member Data Import on switching to WIX

Hi,
I have a set of around 600 members in my old site who have already given me their contact details and some specific information I need (name, address, phone, gender, age etc) - I want to bulk import this data into my WIX website so that the process of switching to WIX is more or less invisible to the old members (i.e. they don’t have to sign up an reenter all this info again) is there a way to do this? I know I can bulk import CRM data, but I specifically want to make these individuals members.

If I can’t directly import them as members could I import them into CRM and then have them just sign up using their original email address and choose a new password? Would Wix recognise that the sign up email belongs to the imported CRM record of the same email address?
Thanks!

See good old Andreas Kviby reply here in this old Stack post about it.
https://stackoverflow.com/questions/53181905/workaround-to-import-users-as-site-members-on-wix-com