This addon will help you create an email template. You just need to replace the object by name of a column in Google Sheet. For example, the Google Sheet file has Email column, so in the template, it should be {Email} What's new in Version 12? Important change: - (Apperance) Replace sidebar by dialog New features: - Setting menu - Option to show/hide Toolbar type, Sender's name, and Attachment - Confirmation box when hit SEND button - Import email address manually