Display Columns – Select or deselect columns to control the information that displays on the Conditional Format List window. For example, display the name of the conditional formats, the type of global or personal, and the dates the conditional format was last used. The Created Date, Last Used By, Last Used Date, Owner, Last Updated Date are system information about the conditional format owner and the date and time when the conditional format was last used in a view.

OK - Clicking OK applies the changes for the current session only in the Conditional Format List window. If you navigate away from the windows, display columns return to their defaults.