how to copy data in my new/ old zotero

Dear community, i made a huge mistake and accidently deleted my user account on my mac. Now I can still find my zotero-data in a file called "deleted user", but i can´t just copy them in my new zotero - they are now in folders and have names like 2RBZSJN4.
Does anybody know how i get these files in my zotero?
It would help me soo much!
Thank you
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