To unarchive an item and the messages associated with that item:
- Tap Archived in the upper right corner
- Tap Unarchive next to the item you would like to unarchive
- To view the messages associated with this item, tap and find the item you unarchived, then tap the item to view the messages on the Item dashboard screen
If you've unarchived an item that wasn't marked sold, it will appear in the OfferUp feed again.