Microsoft Outlook - How to remove AutoComplete list entries one at a time

Overview

This Knowledge Base article contains a step-by-step to clear out individual cached entries in the Microsoft Outlook AutoComplete list.  This is required when an incorrect email has been used or an email address has been changed.  If the AutoComplete entry isn't removed for a user, that meets one of these criteria, email will fail to be sent.

Instructions

To remove entries from the AutoComplete cache one entry at a time, follow these steps:

  1. Open a new email message.
  2. In the To... field, type the first few characters of the AutoComplete entry that you want to remove.
  3. When the entry appears in the list of suggestions, move your mouse pointer over the suggestion until it becomes highlighted, but don't select it.
  4. When the "X" icon appears next to the highlighted suggestion, click X to remove the entry from the list, or press the Delete key on the keyboard. 
  5. Selecting X will prevent that entry (name) from appearing in the AutoComplete list again but won't remove it from your account. This entry may still appear in other areas in Outlook (such as search boxes).

Note: If you send a person a new email after you’ve removed their name from the AutoComplete list, their information will be added back to the list. 

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