In Chrome, go to chrome://extensions/, enable Developer mode using the toggle in the top-right, then click the “Load unpacked ...
In previous versions of Microsoft Outlook (the classic app), you could view the HTML code of an email by opening the email, right-clicking on it, and selecting “View source” from the context menu.
Most of us spend a lot of time inside a web browser. If you're a Chrome, Firefox, or Edge user, then you'll know these browsers come with a huge number of third-party extensions to augment the ...