How can I add and remove specific email addresses to and from Outlook's AutoComplete list?
My AutoComplete list retains every email address that I input.
How do I choose and add specific addresses to the List?
How do I delete specific (not all) addresses from the List?
Solution 1:
From here
Delete a name from the Auto-Complete list
The Auto-Complete List is a feature which displays suggestions for names and email addresses as you start to type them in the To, Cc, and Bcc boxes. These suggestions are possible matches from a list of names and email addresses from the email messages that you have sent.
Auto-Complete list
There might be entries that you want to remove, such as entries that are no longer current or accurate. To remove unwanted names, do the following:
Select the unwanted name or email address by using the UP ARROW or DOWN ARROW key.
Click Delete command or press DELETE.
To remove all names from your Auto-Complete list, do the following:
Click the File tab.
Click Options.
Click Mail.
Under Send messages, click Empty Auto-Complete List.
To turn off the feature, see Turn on or off Auto-Complete List name suggestions.