I'm well into moving my mailboxes from server 2010 to 2013 (CU8). I noticed that most if not all of the users who are migrated seem to have a second "Contacts" folder after the migration completes.

In Microsoft Office Outlook 2007, you can no longer create new Personal Address Books (Personal Address Book: A customizable address book used to store personal e-mail addresses you use frequently.

As a Microsoft 365 user, you may get The address list cannot be displayed error when you try to view contacts in Public Folder in Outlook on your Windows 11 or ...