Today I learned that Excel incorrectly assumes 1900 was a leap year and Microsoft will never fix it because the whole house of

fr: Latest from PC Gamer in News at https://ift.tt/zZEv3xn April 8, 2026 at 01:30PM Nestled away amongst a pile of recently updated pages on Microsoft’s Learn site, which contains product documentation and technical resources, was a curiously titled article: “Excel incorrectly assumes that the year 1900 is a leap year.” I thought that can’t be right, surely everything would have… 

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