If you’d like to use non-english (non-ASCII) characters, make sure your 3rd line is set to ” utf-8″ too: Content-Transfer-Encoding: 7bit If the first line of your signature file does not contain ” 7bit”, please change the first line to: Content-Transfer-Encoding: 7bit Your signature file will open in TextEdit and should look similar to mine: You don’t need to understand this “Chinese soup”. I will guide you through it step-by-step. Right click on the signature file Open with > Other… and choose TextEdit application. Take a deep breath and don’t worry.

In the Signatures folder you should easily recognise your signature file by the Date Modified: Choose that Library folder and navigate to one of the following folders: You know Apple, they love playing hide & seek, so we have to find your new signature file hidden in your Library folder. Open the Finder, click on the Go menu, and hold the Alt/Option key down.