External customers in Tixr Studio are any serial IDs or customers you have uploaded from your previous ticketing system, or any tickets sold outside of Tixr Studio.
1) Click into Records under Audience in the left navigation tab, then click on External. You will be able to see all the order information here and view/ manage the check in.
A) Delete all External Tickets
D) Download Report
C) Filter Event(s) to select which data you would like to see