MS Access: Issue with Autonumbers in the export
You will need to write a query or report that joins between the tables so you can select the description. 

The Image below shows the MS Access query designer. It displays both tables and the join between them. Below that it shows the fields I want to return in my query.  



You can also view the SQL Query, in this example it would look like this: 

SELECT Inventory.Item_id, Inventory.Item_name, Media.Description
FROM Inventory INNER JOIN Media ON Inventory.Media = Media.Media_id;


The query result look like this: