## list private key and get ID(s)

```gpg --list-secret-keys --keyid-format=long```

## export ascii armor public key

```gpg --armor --export YOUR_KEY_ID```

## export encrypted private key

```gpg --armor --export-secret-keys YOUR_KEY_ID > encrypted_private_key.asc```

## import encrypted private key

gpg --import encrypted_private_key.asc

## add new email to private key

Run ```gpg --edit-key YOUR_KEY_ID```

Run ```gpg> list``` to see user IDs

Run ```gpg> uid N``` to select the user ID you want as primary (replace N with the number)

Run ```gpg> primary```

Enter your key's password when prompted

Run ```gpg> save``` to save changes