• In order to customise a phish template, you should first navigate to the Phish Creation area.
• Next, on Step 2 (Phish Content), first toggle the 'Create Your Own Phish' option and then click Choose Email. 

• Next, browse through the templates; click on Select this email followed by Copy HTML.

• The email template will now be available for you to customise using the text editor.

Related Articles:

• Send a Phish Campaign with multiple templates
• Customer Custom Phish Domains