After you have created a pickwave you can then produce a manifest to be processed by your courier software.
You can produce a manifest of consignments from within in StoreFeeder account. Navigate to 'Warehouse > Manifests'.
Select your desired date to view your pickwaves, select your required pickwave(s), then click 'Confirm'. You'll see the screen below with your available manifests.
You are then able to 'Export' your manifest and process this with your courier software.