How do I track who uses my Excel spreadsheet?
I created an Excel spreadsheet that my boss wants to put on the company's internal website. The spreadsheet contains some seldom-used, esoteric, but handy functions that only certain employees within the company will find really useful. The problem is that I don't know who the future users are, and my boss wants me to identify who uses my spreadsheet. He asked that I password-protect the Excel spreadsheet in such a way that one password does NOT unlock all of the copies that people can download from the site. For example, I can't just make the password "stackoverflow" because once a user