Bugging Microsoft Files: Part 2 – Xlsx Files using Microsoft Excel

This post provides step-by-step instructions for placing a tracking bug in a native .xlsx file using Excel's "From Web" data query: author a unique URL, insert the web query into a sheet, enable "Refresh the data when opening the file," hide the sheet, and rely on the user clicking "Enable Content" to trigger the request—useful for honey-docs or tracking document openings.