How Should Controlled Unclassified Information Cui Should Be Stored?

How Should Controlled Unclassified Information Cui Should Be Stored? CUI should not be stored on personal systems. Printing and hard copy storage should be kept to a minimum. Agency sponsored/approved virtual desktops (or similar) should be used. Personal email accounts should not be used to store or transmit CUI. Should CUI be encrypted? Answer: Yes.