Import a root CA
Root CAs that are created outside DigiCert ONE® can be uploaded to your DigiCert ONE account, along with the keys.
Export the root CA and full chain, including the root and keys, in PKCS#12 or .pfx format.
In DigiCert ONE, in the Manager menu (top right), select DigiCert® CA Manager.
In the account menu (top right), select the account you want to add the root CA to.
In the DigiCert® CA Manager menu, select Manage CAs > Roots.
Select Import root CA.
Designate the imported CA to be used for all CA functions or only for revocation checking.
Select the HSM provider and partition to save the keys to. (optional)
Enter the password for the exported root CA file.
Select the exported root CA file.
Select Next. The imported root CA appears in the list.