Firefox 3.x

  To import personal certificates: Firefox 3.x:

  1. Select Tools, then Options, then Advanced, and then Encryption.

  2. Click View Certificates.

  3. In Certificate Manager, select Your Certificates, and then Import.

  4. In File Name to Restore, select a personal certificate (PKCS12) file.

  5. Click Open.

  6. Click OK to close the Certificate Manager.