Cybe
Use the OS 'Search' :Filenames that contain
Original_EPUB (If you only have EPUB) on the Library folder: then copy the results to an Archive. The
disadvantage is no Author folders
Use XCOPY /S *.ORIGINAL_* <archive folder>, then have Calibre remove the format
Use
Copy to Library to copy any title that has a 'Original_*', the clean out all the
OTHER FORMATS in the
copy_Library