If I understand correctly, the latest file is the file which created/upload latest.
We usually using Last Modified to get the latest file. For example, I have 300+ blobs in a folder, the Last Modified can help me get the latest file in the first row no matter how many pages I have.
If you have any other concerns, please feel free to let me know, thank you.
But if there are very large number of files, just for now, there isn't a good solution for it.
HTH.
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