Import, export, or remove a certificate for a contact

If you have a person's certificate in Outlook, you can send that person an encrypted message.

Do any of the following:

Import a certificate

  1. At the bottom of the navigation pane, click Contacts  Contacts view button .

  2. Open the contact that you want, and then click the Certificates tab.

  3. Click Add , locate the certificate, and then click Open.

    Note: To set the default certificate for a contact, select the certificate, click Action pop-up menu , and then click Set as Default.

Export a certificate

Certificates can be exported in three formats: DER encoded X.509, PEM (Base-64 encoded X.509), and PKCS #7. The DER encoded X.509 format is the most common, but you might want to ask what format your recipient requires.

  1. At the bottom of the navigation pane, click Contacts  Contacts view button .

  2. Open the contact that you want, and then click the Certificates tab.

  3. Select the certificate, click Action pop-up menu , and then click Export.

    To set the format of the certificate, make a selection on the Format menu.

Delete a certificate

  1. At the bottom of the navigation pane, click Contacts  Contacts view button .

  2. Open the contact that you want, and then click the Certificates tab.

  3. Select the certificate, and then click Delete .

See also

Add a sender's certificate to the Address Book

Send a digitally signed or encrypted message

About digital signing, encryption, and smart cards

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