Hi Andie
As you may have noticed, clearing Inventory Tracking also clears Look Up
details for your invoices. When you select the option to clear Inventory
Tracking, it does warn you that it will also clear the Look Up details.
If you made a backup prior to clearing, you can restore it. This will
allow you to look up the invoices again. As far as the inventory items
are concerned, since they contain transactions, you would have to wait 2 years
before you can delete them.