An ECC PGP key uses Elliptic-Curve Cryptography to create the key.
PGP Command Line can create ECC PGP keys that use P-256, P-384 or P-521 elliptic curves and Encryption Desktop can import these keys.
However, Encryption Desktop cannot import keys that use the Curve 25519 elliptic curve.
Symantec Corporation is committed to product quality and satisfied customers. This issue is currently being considered by Symantec Corporation to be addressed in a forthcoming version or Maintenance Pack of the product. Please be sure to refer back to this document periodically as any changes to the status of the issue will be reflected here.