Instructions apply to Outlook 2019, 2016, 2013, 2010, 2007; and Outlook for Microsoft 365.

SelectFile>New Entry.

In theNew Entrydialog box, selectNew Contact.

Viewing the Outlook inbox with the address book button highlighted. Screenshot

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In theFull Nametext box, enterUndisclosed Recipients.

In theEmailtext box, drop your email address.

If you have an existing address book entry that uses your email address, theDuplicate Contact Detecteddialog box appears.

Selecting a new entry for the address book in Outlook. Screenshot

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SelectAdd new contact, then chooseAdd.

end the Address Book.

In theTofield, enterUndisclosed Recipients.

Choosing to create a new contact in Outlook. Screenshot

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As you throw in, Outlook displays a list of suggestions.

Choose the undisclosed recipient contact.

If you don’t see theBccbutton, go toOptionsand selectBcc.

A new contact labeled undisclosed recipients is being created in Outlook. Screenshot

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Highlight the addresses you want to email and selectBcc.

If you key in these addresses manually, separate each address with a semicolon.

FAQ

Unless you’re the sender, it’s possible for you to’t.

Entering in an email address in the contact card in Outlook. Screenshot

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If you sent the email, go to theSent Itemsfolder and pop swing open the message.

Under theReading Pane, view the header section of the message.

There are two ways.

Starting a new email message in Outlook screenshot

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you’re free to either selectCc/Bccand choose recipients from your address book, or manually enter them.

If you manually enter them in each, use a semi-colon to separate email addresses.

Adding recipients in the BCC field in Outlook screenshot

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And email message with recipients in the BCC field ready to compose in Outlook screenshot

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