You can archive items within the Printfection Item Manager. From the top navigation choose Manage Items > Item Manager.
Then from the Item Manager page hover over the item you want to archive and hit the 'Archive Item' button.
Please Note: Items can only be archived if there is no inventory remaining, the item has been removed from all campaigns and there are no open orders using this item. Archived items are free, they do not incur the $25/item monthly fee.
Once your item has been archived you can see it located in the Archived Items section down below your regular items. You can unarchive an item at any time.