PowerPoint Reference Doc generating broken file without error

[carlganz]

BrokenTemplate.pptx
Evolent_Quarto_Template.pptx
Hello, I've attached two similar PowerPoint templates I have used as reference docs with Pandoc (via Quarto). The broken template generates a file that when opened says it needs to be repaired, and with improperly formatted content.

The Evolent Quarto Template was an attempt to simplify in the hopes that would fix the broken template. It does not generate a broken file, but none of the style is included in the output.

I am wondering if someone can point me in the right direction in terms of best practices with PowerPoint templates. If someone has a sense of what specifically is wrong with these templates I would greatly appreciate it.

Kind Regards,
Carl