C. Does the existence of information in electronic format affect its openness?

No.  Star Publ’g, 181 Ariz. at 433-34, 891 P.2d at 900-01.  Indeed, “if a public entity maintains a public record in an electronic format, then the electronic version, including any embedded metadata, is subject to disclosure under [Arizona’s] public record laws.”  Lake, 222 Ariz. at 548, 218 P.3d at 1005.