ABA files allow you to automatically pay employees through your internet banking provider. Each provider has a different set of instructions on how to process ABA payments. Below is a list of links to some of the major banking sites on how to upload ABA files to their internet banking sites.
https://www.nab.com.au/content/dam/nabconnectcontent/nab-connect-help/quick-reference-guides/upload-a-payment-file.pdf NB. you should be able to upload an ABA file into the NAB's "ordinary" internet banking site - nab.com.au - but you'll probably have to populate the "payer" fields at the top of the screen.
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