Hmm, perhaps this will help. Just a random article I found about it.
http://skyrimfansite.com/transfer-your-elder-scrolls-online-account-to-console/
Curragraigue wrote: »They will let us know when they are going to do the copy. Before the copy make sure to take all of your things out of any guild bank and mails because these items will not copy over unless they are in your inventory or your personal bank.