Pay BillsTick what is being paid, choose the account it leaves from, and post the lot as one run. The run is recorded, so a payment can be traced back to the bills it settled.
Bank details for ACH files Needed only if you export an ACH file
An ACH file has to name the account the money leaves. Stored encrypted, the same way a vendor's are. The numbers never appear in a backup, a Book File, or the copy you send your accountant.