Manage Your Outlook Email Address Auto-Complete List

There’s a small utility named NK2View by the excellent Nirsoft that can help with this problem.

You’ll be warned that you should probably close Outlook first.

Just go to the File \ Add Items From Address Book item on the menu.

choose the address book you want, and then add the selected items by using the To button.

Import Auto-Complete Entries into Outlook as ContactsOpen Outlook and go to File \ Import and Export on the menu.

Choose to “Import from another program or file” and hit Next.

Choose to import “Tab Separated Values (Windows)” from the file throw in list.

Choose the file to import from, and then choose to “Do not import duplicate items”.