Since Gmail was introduced way back in 2004, many changes have been made to the email provider. One of the first changes was to remove the HTML editor and just keep the WYSIWYG editor. While Gmail doesn’t offer the functionality of an HTML editor, it does still support HTML.
Unfortunately, iframes aren’t currently supported by most email providers.
Your Gmail templates are stored in your Google Drive folder called Gmail Templates. You can edit these templates directly from your Google Drive – there is no need to open Gmail composer (as described here) Here is how to do it: Go to your Google Drive Click on “My Drive” and open Gmail Templates folder: […]