I went to Outlook 365 now I have two contact folders. I would like to do the following. Combine the two folders into one back up file. Then I would like to reassign the back up into one of the existing contact folders. And delete to other one. I can create a new contact folder but the system will not let me delete either of the existing folders. I suspect it is because the are linked to the one or more of my email addresses. Can anyone help me to understand the file higher architecture and how these files work together? Thanks for readers nf this thread!