Summary Exports is a tool that contains several report templates for a variety of features and data sets, including everything from basic event revenue to custom question responses.
Summary Exports are located in the Reports section of the Admin. The following list outlines the reports included in the tool, as well as a brief description of what is included for each:

Event Audit
A comprehensive financial report of your events.
Event Audit without Fees
A comprehensive financial report detailing the face value of your ticket and product sales. No fees are included in this report.
Mailing Report
A list of all sales that have a mailing delivery type (first-class mail, standard mail, etc.). Grouped by exact match of mailing address.
Custom Questions
Responses to custom questions, limited to a single event.