You can create a backup file (.pfx or .epf) of your Digital ID and move the backup file to another computer.
Click Select, click the Digital ID you want to back up, and then click OK. The certificate appears in the Digital ID box.
In the Filename box, type a name and path for the backup file you want to create. To choose a location for the file, click Browse.
To export your Digital ID to a computer that uses Microsoft Internet Explorer 4.0, select the Microsoft Internet Explorer 4.0 Compatible (low-security) check box.
In the Import File box, specify the name and location of the backup file you created. To locate the file, click Browse.