File in Binary DER Format
This option lets you save a certificate in raw binary format to a file displayed in the filename field. By default, the file is saved with a .DER extention at the root of drive C: of the workstation.
File in Base64 Format
This option lets you save a certificate in Base64-encoded ASCII format to a file displayed in the filename field. By default, the file is saved or exported with a .B64 extention at the root of drive C: of the workstation. This option is recommended if you need to send the file using obsolete e-mail programs that cannot handle raw binary attachment files.
File in Cryptographic Message Syntax Standard (PKCS #7) Format
This option lets you save a certificate or certificate chain encoded in PKCS# format to a file displayed in the filename field. By default, the file is saved with a .P7C extention at the root of drive C: of the workstation. The .P7C extention signifies a file saved in Cryptographic Message Syntax Standard (PKCS #7).
Include All Certificates in the Certification Path if Available
Check this check box if you want to include the certificate chain in the user certificate. The full certificate chain may not always be available.
Browse
This button allows you to browse the file system and save the certificate to a desired location.