When you use the "Search for Objects" from the Data Management menu you can customize the columns and then export those columns easily to a CSV file. One issue we have is that only the first instance of an element is displayed and exported. For example, if we have multiple occurrences of dc:identifier only the first one will show and be exported. We would like all instances of each element to be included - perhaps with a separator like a semi-colon (or something else).