Sam is working for a government agency that has got a Freedom of Information Act (FoIA) request and has to give the requested information from its email servers. What is this process called?

E-discovery pertains to the legal process involved in litigation, Freedom of Information Act (FoIA) requests, and comparable initiatives that generate information in electronic format.

The retrieval of data through email forensics may be necessary in an inquiry, but there is no indication in the question that a forensic investigation is required.