If you generated your Certificate Signing Request (CSR) from cPanel and forgot your CSR then you can retrieve your CSR. Only follow this tutorial if a CSR was generated from cPanel.
1. Log into your cPanel account.
2. In the "Security" section, click on the "SSL/TLS" Icon. 
3. Under the Certificate Signing Request, click on “Generate, View or Delete CSR†link.
4. Under “Certificate Signing Requests on Server†text, you can see your previously generated CSR. You can see the Edit and Delete options under the “Action†option.
5. Click on “Edit†option which is located under “Action†option.
6. Copy your CSR code which is located under the Encoded CSR: text.
Copy the code from-----BEGIN CERTIFICATE REQUEST-----
to
-----END CERTIFICATE REQUEST-----
