Ability to export to an unformatted csv sheet where all columns for a subitem are included, as well as its parent properties available on a single row.
What are you trying to achieve
Better ability to analyse data in excel in table formats to populate graphs outside of Monday.com.
Once you import a board into it, you can export data for both items and subitems. The latter includes the Owner item and Owner Group columns, so the exported file will look exactly the same as you see it on the board: