Firefox

To export (or import) your certificate using the firefox browser:

1. Type 'about:preferences#advanced' in your address bar
   
2. Click on the 'Certificates' tab.
   
3. Click on the 'View Certificates' button
   
4. Select the certificate you want to export.
   
5. Click on the 'Backup' button.
   
6. Choose where to put the p12 certificate.