Similarly to any word processor, you can toggle certain text formatting options from the toolbar.
To add a link, select some text and click the Create link -button in the toolbar. Then input a URL.
You can edit the link URL anytime by selecting the link.
Click the Clear formatting -button to clear all formatting of the selected text.
If you need to add custom HTML into the template, see Raw HTML.
MailDeveloper is an advanced editor for HTML email templates.
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