Dropbox and obsidian

I updated my dropbox yesterday and all my obsidian files are gone- I see some obsidian files online at my dropbox but they are files from 2022 - nothing is recent. I said to dropbox make everything online and that moment other than whatever I can see at open tabs at obsidian are gone. I thought they will be in dropbox but I cannot find it eitehr- as I have many versions of the obsidia 1 2 3 downloads and many files of the same vault over the years. It was in my computer - so where do i find it?