>>>>Any ideas why, or how to fix this? I guess using scripting.filesystem would do the trick, but I'm just curious to know what's going on and whether this can be prevented.
>>>
>>>https://www.berezniker.com/content/pages/visual-foxpro/copy-move-rename-file-preserving-destination-name-case
>>
>>Thanks, that was just two lines change in my code.
>>
>>I guess Fox itself is using some other call - but then, why does Windows (no, why DO Windows) have so many of them?
>
>I asked myself the same yesterday when I bought myself a new winter jacket. Why are there so many to choose from when I only want one that fits and looks good?

I doubt the parallel would hold. All those jackets are new, everybody knows how to use them, you can see them all in a couple of minutes, they are all clearly present and you can try them on without digging into reams of documentation.