The width of your email template / campaign can be set using the drag-and-drop Style sidebar.
When in the drag-and-drop editor, select the Style sidebar and the Email width section.
Select from any of our three standard sizes:
- Large (700px)
- Standard (600px)
- Small (500px)
Or set your own width using the custom width input at the bottom of the sidebar.
Widths must be between 400 and 800 pixels.