This command will open an interface showing the target's inventory and equipped items. You can move contents into your player's inventory by dragging them into your own. Some equipped clothing items like outfits will not be shown in this interface however armor, etc is.
openactorcontainer 1 Target Command
ff0084953.openActorContainer 1
The above command opens an interface that allows you to modify the inventory of the NPC with reference id ff0084953.