Associate a certificate with a contact

If you have a contact that is not associated with a certificate or you want to change the certificate associated with a contact, follow these steps. A contact must have at least one valid certificate to exchange encrypted PDFs.

  1. Do one of the following:

    • In Acrobat, choose Advanced > Manage Trusted Identities.

    • In Reader, choose Document > Manage Trusted Identities.

  2. Select the contact, and click Details.
  3. Click Associate Certificate.
  4. Select a certificate, and click OK. Click OK again.