Keeper WebPro personal certificate import in Mozilla Firefox
1 Open Certificate Manager - "Options" - "Privacy&Security" - "Certificates", click "View Certificate".
2 In the "Certificate Manager" tab choose "your certificates" and click "Import ...".
3 In the new window, please select the location of the certificate file, file type: PKSC12 and click "Open.
4 In the new window that appears automatically, enter the master password to use client certificate (in accordance with our recommendations, master password must be set up in advance).
5 Set a password to encrypt backup copy of the certificate (the one you specified when exporting it) and click "OK".
Successfully restored up your securtity certificate and private key