If you can tell me the you are using (e.g., SAP, Salesforce, or a custom app), I can give you more specific instructions on how to locate or trigger that download.
Use a library to generate the XLSX file. Unlike older binary formats, XLSX is an Open XML standard that is widely compatible with modern spreadsheet tools like Google Sheets or LibreOffice. Download 3009 xlsx
In systems like SAP, Oracle, or custom enterprise tools, "3009" is often a unique identifier for a specific report (e.g., "Monthly Sales Summary" or "Inventory Audit"). If you can tell me the you are using (e
Less likely in this context, but 3009 can sometimes be a status code indicating a successful background process completion. How to Create an XLSX Export Feature or a custom app)