ByBox Thinventory Mobile Current: Using a Lockbox Using a Lockbox You can use Thinventory Mobile to collect or return an item in a Lockbox. View this page as a PDF How to use your Lockbox keyUse your Lockbox key to:collect a deliverymake a return, ormanage inventoryYou don't need to use the Thinventory Mobile app - but you can use it to:Verify CollectionsVerify Returns, andOrder Return labels ×