https://mckoss.com/tags/microsoft/ Recent content in Microsoft on mckoss.com | Mike Koss Hugo en-us Fri, 26 Jun 2026 19:42:00 -0700 https://mckoss.com/posts/excel-at-40/ Fri, 26 Jun 2026 19:42:00 -0700 https://mckoss.com/posts/excel-at-40/ A talk I gave for Excel’s 40th anniversary about the history behind the first version of Microsoft Excel, along with a BBC Witness History interview about the same story.