registry of information categories and related subcategories CUI Registry National Archives the CUI Registry Controlled Unclassified Information (CUI type of CUI CUI Registry of the National Archives. National Archives CUI Registry List of Controlled Unclassified Information Controlled Unclassified Information CUI Registry CUI Categories CUI categories full list CUI Registry Controlled Unclassified Information ("CUI") Registry National Archives website. CUI Registry https://www.archives.gov/cui/registry/category-list. CUI Registry CUI Registry https://www.archives.gov/cui/registry/category-list CUI Categories List CUI Categories CUI Registry CUI Registry CUI Registry CUI Categories Resource Controlled Unclassified Information ("CUI") Registry Covered Defense Information National Archives https://www.archives.gov/cui/registry/category-list National Archives website CUI Categories https://www.archives.gov/cui/registry/category-list US National Archives National Archives website 23 categories and 84 subcategories https://www.archives.gov/cui/registry/category-list CUI Categories Covered Defense Information https://www.archives.gov/cui/registry/category-list https://www.archives.gov/cui/registry/category-list CUI registry https://www.archives.gov/cui/registry/category-list CUI Registry https://www.archives.gov/cui/registry/category-list this website