The source code for a sent mailing is available by going to the Mailing Activity Report for that particular mailing. Because you are looking at the mailing in its entirety, the source also includes the HTML from the template.
Navigate to Mailings > View
Click on the Sent tab
Click on the mailing name
Go to the Published Mailing Tab
Select the View Web Version link in upper right to launch the browser and display this mailing
Put your mouse cursor to the edge of the screen and right click
Click View Source Code or View Page Source
Select the HTML that you'd like to copy and use Ctrl+C to copy it and Ctrl+V to paste it.
Want to learn more about using HTML in the Informz editor?
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