So, are you saying that no matter what program you're using the Open dialog with, and no matter where you navigate, nothing ever shows up?

Do files show up in the same locations if you browse there with File Explorer?

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Brian - Windows 10 Pro, 64-Bit, Version 1809, Build 17763  

Puritanism:  The haunting fear that someone, somewhere, may be happy.

        ~ H.L. Mencken