In Gmail, click Settings Settings.
At the top, click Advanced.
In the Canned Responses (Templates) section, select Enable.
At the bottom, click Save Changes.
In Gmail, click Compose.
In the New message window, enter your signature and format it.
Click More Canned responsesSave draft as templateSave as new template.
Enter a name for the canned response signature and click Save.
Continue composing and send your message, or close the Compose window to use your signature another time.
Open Gmail and click Compose.
Click More Canned responses.
To insert a canned response, under Insert Template, choose a saved response to insert in your email.
Compose the rest of your message and click Send.