Exporting/Backing up your certificate/Private Key (to .pfx file format)

1. From the Start menu, select "Run...". Type "mmc" and hit Enter.
2. Under the File menu choose Add/Remove Snap in.
   
   
3. Click Add, then from the Add Standalone Snap-in panel choose Certificates, and click Add.
   
   
   
4. Choose Computer Account and click Next, then choose Local Computer and click Finish.
5. Close the Add Standalone Snap-In window by clicking Close.
6. Close the Add/Remove Snap-in window by clicking Ok.
7. Click the + to Expand the Certificates (Local Computer) Console Tree
8. Look for the Personal directory/folder and expand Certificates.
9. Right Click on the Certificate you would like to backup and choose > ALL TASKS > Export
10. Follow the Certificate Export Wizard to backup your certificate to a .pfx file
11. Choose to 'Yes, export the private key'
12. Choose to include all certificates in certificate path if possible. (do NOT select the delete Private Key option)
13. Leave default settings > Enter Password (if required)
14. Choose to save file on a set location
15. Finish
16. You will receive a message > Export Successful
17. The .pfx file backup is now saved in the location you selected.