How do I add a (customizable) checklist to my reports?

We do not support a checklist feature. That said, you can create a custom report template with headings and paragraphs of text to give the report a structure.

Related

• Article: Create a new report template in Report and Run: Cloud

• Article: Create a text template in Report and Run: Cloud

• Article: Create a text template in Report and Run: Offline

• FAQ: How do I create a new report template with custom fields?