Store and validate one email address per field, then select it to open your default email application.
The Email custom field stores one email address per field on a record. Blue validates the address format when you enter a value.

Select a stored email address to open your default email application and compose a message.

Add email fields
Name each Email field for its purpose, such as “Support Email” or “Sales Email.” Add multiple Email fields to a workspace when each record needs different email addresses.
Use email automations
Use an Email field with email automations. An automation can trigger an email workflow and insert record data with the {merge} tag syntax.