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How to enable or disable auto-complete list email address in Outlook?

Author Sun Last modified

In Outlook, while you are entering the first letter of the email address in To, CC or BCC lines in message window, the Auto-Complete List will list suggested email addresses automatically as below screenshot shown. But in some times, you do not want to display this Auto-Complete List, how can you deal with it?
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Disable a certain email address from Auto-Complete List for permanent

Disable Auto-Complete List for permanent


Disable a certain email address from Auto-Complete List for permanent

If you just want to disable a certain email address from the Auto-Complete List, you only need to directly click the Close button right to the specified email address in the Auto-Complete List, then the specified email address is disabled from the Auto-Complete List.
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Disable Auto-Complete List for permanent

If you want to permanently hide the Auto-Complete List, you can change an option in Outlook.

1. Click File > Options.
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2. In the Outlook Options window, select Mail from left pane, and scroll down to the Send messages section, uncheck Use Auto-Complete List to suggest names when typing into the To, Cc, Bcc lines option.
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3. Click OK. From now, the Auto-Complete will never shown until you check this option again.


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