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To import a digital certificate using Mozilla Firefox, follow the below instructions:

  1. Click the “Tools” menu at the top of Firefox.
  2. Click “Options”.
    • Depending on the version of Firefox you are using, you will either have icons on the left side or on the top of the “Options” window.
  3. Click the “Advanced” icon.
  4. Open the “Certificate Manager” window.
    • If your icons are on the top of the “Options” window, click the “Security” tab and then click “View Certificates”.
    • If your icons are on the left side, look for “Certificates” in the main part of the “Options” window. Under the “Certificates” heading, click “Manage Certificates”.
  5. Click the “Import” button.
  6. Locate the back-up file you wish to import, click on it and click “Open”.
  7. If you have more than one security device available, then a “Choose Token Dialog” window will open. Select the correct device to import the certificate to. In most cases, this will be the “Software Security Device”.
  8. If a “master password” had already been created in Firefox, then it will prompt for that password. Otherwise, it will prompt you to create a new one. Enter in the “master password” for Firefox.
  9. The “Password Entry Dialog” window will prompt for the password that was used when the file was created (during the export / backup process).
  10. It should show “Successfully restored your security certificate(s) and private key(s)”. Click “OK”.

You may test the digital certificate on the IdenTrust website at: