Invoicing Data Entry Template Update

I have a backlog of invoice details that must be keyed into Excel or Google Sheets. You’ll start from my existing spreadsheets—there are a few versions—and reshape them into one clean, consistent template before entering the current batch of invoices... (Budget: ₹750 - ₹1250 INR, Jobs: Accounting, Data Analysis, Data Entry, Data Management, Data Processing, Excel, Google Sheets, Word)