Final answer:
To include information about an archived email in a report, you should include it as a filter in the setup section of the Email Performance Report (Option C).
Step-by-step explanation:
To include information about an archived email in a report, the correct approach is to include it as a filter in the setup section of the Email Performance Report. Option C is accurate in this context, as you typically would use the email performance report to gauge metrics like open rates, click-through rates, and other performance-related statistics for emails, including those that are archived. By setting up the correct filters, you can ensure that the archived emails are considered in the report. This reporting feature is often found in email marketing software and platforms designed for business communication or marketing purposes.