When I look at DropBox with on the web, I can see that I have two external device backups named "Shared Data" and "Ventura ...".

When I look at the backups using the app, I can only see one device backup

With either of the backups, I can see no way of restoring them to a new machine. I do not have the original external device.
With the "Ventura ..." backup I can see the files and download them as there are only a handful of them and then can be zipped.
The "Shared Data" backup is 128GB with a considerable number of files and folders. It is therefore not feasible to navigate the complete structure, create the folder structure and then transfer the files in a folder and individual zips.

Help is appreciated.
Apple Mac mini M2 Pro Sequoia 15.2