The subject corresponds to the name of the email under which it is found in lists and search queries. Depending on the email template used, it may also be listed in the email itself.

1. If you create an email from another record or if you use a template, the subject is often already prefilled.
2. Enter a custom subject in the input field or select an entry from the expandable picklist. Add new, frequently used subject texts by clicking on Edit list.
3.  Save save the new email under the recipient account.