Tag: data validation

  • Excel: Highlight duplicates

    Among my many areas of responsibility at work, is contacting all the users found in various data breach lists that our InfoSec team get their hands on (typically, these are the same lists that eventually make their way to HIBP). Not unsurprisingly, there is a significant amount of overlap between some of these lists, and…

  • Excel freezes on 10 MB file

    A few months ago, I had a user call in complaining that Excel would freeze and become completely unresponsive when she was working in a specific workbook. It was fairly large (10MB), but well within what the computer should have been able to handle. IĀ opened a remote session to the computer, and started troubleshooting. My…