Use the Import Certificate dialog box to restore a lost or damaged certificate that you previously backed up, or to install a certificate sent to you by another user or certification authority (CA).
UI Element List
Certificate file (.pfx)
Type a file name in the Certificate file (.pfx) box or click Browse to navigate to the name of a file where the exported certificate is stored.
Type the password in the Password field, if the certificate was exported with a password.
Allow this certificate to be exported
Select Allow this certificate to be exported if you want to be able to export the certificate, or clear Allow this certificate to be exported if you do not want to allow additional exports of this certificate.