You must have "Full Access" or "Limited Access - HQ Tools" permissions to mass edit registration entries.
NOTE: When editing a question with dependent logic, the original question must also be edited, so the answer fits into the new set of logic.
Sign in to "SportsEngine HQ."
Once in "SportsEngine HQ," click Registration > Registrations.
Click on the title of the registration to edit entries from, and create a Saved Report.
Once the report has been created, click on the "name" of the report.
On the bottom-right portion of the page, click the option that says MASS EDIT.
Update the registration entries and click Save Selected.