If you wish to change the Item List Defaults, follow the steps below;
1. Go to File Options
2. Go to View Settings Item List Defaults
3. Check the item type you wish to show on the Item List by default.
4. Check Group By Links to group linked items.
5. Change the Annotation Index Sorting to the order you wish the items to be listed in the Item List.
6. Check if you do not wish to display Item List Position Number for Block Items.
7. Set the Highlight N/A Priced Items in Item List as required.
8. Click OK to complete and restart 2020 Fusion.