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Before doing anything else COPY the contents of that folder somewhere safe. This means that if you mis-click Workbench can't delete all of the data.
In Fluent standalone, first open the case file that's got all of the set up, then open the data file. Once that's done, iterate. Hopefully there's a case file with all of the settings in that folder; if not open the Solution cell in Workbench and export the case file.