Mac Code (second half) This area contains the Creator half of the Macintosh Code currently being edited. Files with the PC Extension on the left would be given this Macintosh Creator. The Creator must contain exactly four characters. Mac Code (first half) This area contains the Type half of the Macintosh Code currently being edited. Files with the PC Extension on the left would be given this Macintosh Type. The Type must contain exactly four characters. To obtain the Macintosh Code from any file, click here. PC Extension This area contains the PC Extension currently being edited. Files with this extension would be given the Macintosh Codes on the right. The extension must contain exactly three characters. This item is disabled because no PC Extension — Mac Code pair has been selected from the list or the PC Extension typed below already has an entry in the list. To change the selected PC Extension — Mac Code pair into the pair typed below, click here. This item is disabled because no PC Extension — Mac Code pair has been selected from the list. To remove the selected PC Extension — Mac Code pair from the list, click here. This item is disabled because the PC Extension typed below already has an entry in the list. To add the PC Extension — Mac Code pair typed below to the list, click here. Extension — Code List This list shows each corresponding PC Extension — Macintosh Code pair which will be used by this Cleaner. To select a pair, click it.