How to Keep Recipient Addresses Private in Outlook: Undisclosed Recipients

Since the debut of the internet, online security has been a growing concern. This must also be considered in our daily email management because customers, colleagues, and business partners may be sensitive to it. Thus, hiding email addresses in a distribution list could be one method of increasing trust and protecting private information. When sending an email to multiple recipients, learn how to hide email addresses for other recipients in Outlook.


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Hide recipient contact information: Step-by-step

Learn how to make the Undisclosed Recipients contact here:

Step 1: Open Outlook and click on the “Home” tab.

Step 2: In the “Find Group” section, select “Address Book”.

Step 3: Select “File”, then “New Entry”.

Step 4: In the opening dialog box, select “New Contact”.



Step 5: Click “OK”.


Step 6: Now enter “Undisclosed Recipients in the “Full Name text box.


Step 7: Enter your own email address in the “Email text box.


Step 8: Click “Save & Close”.


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Learn how to use Bcc to hide recipients’ email addresses here:

After you’ve created the contact, Outlook provides an easy way to hide email addresses by using Bcc, or “blind carbon copy.”


Step 1: Select the “Undisclosed Recipients” contact in the “To” field when creating a new email. Outlook will display a list of suggestions when you type a “u”.

Step 2: Then, click on the “Options” tab and select the Bcc field in the message header when drawing up an email.

Step 3: Clicking on the Bcc button allows you to select names from your contact list. After selecting all the desired contacts, click “Ok”.


Do you have more must-do’s with regards to internet security? Feel free to leave your opinion in the comment section!


See you soon!

Aline & the Lookeen team


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