The serial key for each plug-in is stored in a .prf file located inside each plug-in folder inside the Plug-ins folder in the InDesign folder. So there is an AdImport.prf, a Fido.prf, and a Split & Folio.prf.
The serial key for each plug-in is stored in a .prf file located inside each plug-in folder inside the Plug-ins folder in the InDesign folder. So there is an AdImport.prf, a Fido.prf, and a Split & Folio.prf.