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.

An activity with no user impact was performed on Friday night to move the Outlook offline address book to another server. An unexpected change which set the default address book to Public Folders ...

If you’re faced with this Outlook issue, you can try any of the recommended solutions below in no particular order to resolve the error 0x8007007A when downloading ...