Quickly send pre-written response on Mac mail?
Quickly insert a standard response on macOS

Prepare your response


Open TextEdit.
Create new empty document (CMD+N).
Type your desired response.
Select the text (CMD+A) and copy it to your clipboard (CMD+C).
Confirm by pressing return.




Teach macOS your response


Open System Preferences
Go to Keyboard > Text
Press the + button and enter a unique shorthand (e. g. rresponse1). It will be replaced by your standard response. 
Press Tab to go to the next field and paste your response from your clipboard (CMD+V).






Use your response


Open your desired macOS application and click inside a text field.
Type your shorthand (rresponse1) and a space character.
macOS will expand the text for you automatically.


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