Please be aware that any description fields using the WYSIWYG (What you see is what you get) editor have a 4000 character limit. The count does not include HTML language.
If the limit is exceeded, you will not be able to save/publish the description field you are editing and will receive the following warning message: "Field cannot be more than 4000 characters"
Please note that the stage of toggle does not affect the limit count; if the limit is exceeded, you won't be able to save/publish changes even if the toggle responsible for the description field is disabled. The size of the image upload also cannot exceed 50 MB.
Using the HTML Editor:
Using message templates as an example, when editing your templates you will see this tool bar at the top of the text editor:
The second icon from the right, , allows you to edit the message's HTML source. When you click this button the template you will see the following:
In the HTML editor you have the ability to input inline HTML styles to format things like fonts, font color, size, etc. As you can see from the template shown above, a number of inline styles have been applied in order to utilize different fonts, colours, formatting, and images. For more information about inline styles, we have found w3schools.com to be a fantastic resource.
Please see the List of Allowed HTML Tags below, in order to see what tags are acceptable in your HTML.