look at what @Ali-Aliman found, a xp era official ms forum still up and running, with the old ms and bing logos too!
https://social.microsoft.com/Forums/en-US/home
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I’ve been aware of this unchanged M$ page, but technically it’s Vista era 
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The forum itself vista but the upper bar xp, why is that still running when ms hates old stuff
Microsoft literally never fixed a “Bug” in excel for compability purposes
Try making a file called COM
that too