Software & Apps MS Office 365 365 people found this article helpful How to Send an Email to Undisclosed Recipients in Outlook Keep your email recipient list secret By Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated March 17, 2020 MS Office Outlook Word Excel Powerpoint Tweet Share Email When you send an Outlook email to several contacts and put all the addresses in the same To or Cc field, every recipient sees these addresses. If you don't want to share these email addresses with the recipients, build an "Undisclosed Recipients" contact. This shows every recipient that the email was not sent solely to them and hides the addresses of each contact. Instructions in this article apply to Outlook 2019, 2016, 2013, 2010, 2007; and Outlook for Office 365. How to Create an Undisclosed Recipients Contact To create a contact that appears in the To field of an email message and hides the recipients' contact information, open Outlook and follow these instructions: Go to the Home tab and, in the Find group, select Address Book. Lifewire Select File > New Entry. Lifewire In the New Entry dialog box, select New Contact. Lifewire Select OK. In the Full Name text box, enter Undisclosed Recipients. Lifewire In the Email text box, enter your email address. Lifewire Select Save & Close. If you have an existing address book entry that uses your email address, the Duplicate Contact Detected dialog box appears. Select Add new contact, then choose Add. Close the Address Book. How to Send an Email to Undisclosed Recipients in Outlook Here's how to send an email using the undisclosed recipients contact: Create a new email message in Outlook. In the To field, enter Undisclosed Recipients. As you type, Outlook displays a list of suggestions. Choose the undisclosed recipient contact. Lifewire Select Bcc. If you don't see the Bcc button, go to Options and select Bcc. Highlight the addresses you want to email and select Bcc. If you type these addresses manually, separate each address with a semicolon. Lifewire Select OK. Compose the message. Lifewire Select Send.