What file do I need?
A list of open invoices with a customer, an amount and a due date. Accounting software exports this as an aged receivables or open invoices report.

Upload open invoices to see when the money should arrive. Add a Date Paid column and we learn how late each customer really pays.
Open balances by 30, 60 and 90+ days late, and the cash to expect each week as customers pay. You need open invoices with due dates and customer names. Drop it in and the answer appears in your browser with no account, no setup and nothing uploaded. Download the result as a PDF report or an Excel workbook to send on.
Upload your open invoices to group them by how late they are and see the cash to expect each week. Add a Date Paid column and the forecast learns how late each customer really pays.