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Hi Chad, sorry for the slow reply. You can copy one file to another using the FileWriter2 class: http://www.unidata.ucar.edu/software/netcdf-java/v4.3/javadoc/ucar/nc2/FileWriter2.html You have to create the FileWriter2 object first: NetcdfFile ncFileIn = NetcdfFile.open(fileIn); FileWriter2 writer = new ucar.nc2.FileWriter2( ncFileIn, fileInOut, version, null); and then just call the method write: NetcdfFile ncFileOut = writer.write() Hope it helps! Ticket Details =================== Ticket ID: IQO-583790 Department: Support netCDF Java Priority: Urgent Status: Open