How to add contacts to Auto-Complete list in Outlook?
The Auto-Complete function in Outlook helps you easily find recipients based on what you've entered when composing an email message. By default, after sending emails, the auto-complete list will be filled with the contacts' email addresses. Actually, you can manually fill the auto-complete list with multiple contacts addresses at once in order to make the future work more efficient. In this article, we will show you a method to fill the Auto-Complete list with multiple email addresses at the same time in Outlook.
Add contacts to Auto-Complete list in Outlook
Add contacts to Auto-Complete list in Outlook
To add multiple contacts to the Auto-Complete list in Outlook, please do as follows:
1. Create an email message.
2. In the "Message" window, click the "To" button in the message header.

3. In the "Select Names" dialog box:

4. Then all selected contacts are added to the "To" field in the "Message" window as well as the Auto-Complete list. Then close the "Message" window without saving.
5. From now on, when you type the first letter of the recipients’ email addresses into the To or Cc field, all the related contacts you have selected above are showing in the Auto-Complete list immediately. See screenshot:

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