First: You open Access PC or Apple File Exchange. Now you translate the SimCity™(Classic) or SimCity 2000™ File onto your Hard Disk.
Next: You open ResEdit or any Resource Editor. Now goto the folder that the file is in and click on it once. Now go to Get Info and change the Type from BINA to CITY and the Creator from mdos to MCRP for SimCity™ (Classic). (CAPS AND ALL.) For SimCity 2000™ Change the Type to CITY and the Creator to SCDH. (CAPS AND ALL.)
Last: Open SimCity 2000™ (Not the Document) and Choose Load Saved City. Open the city you just changed with the Editor.