The Mac to PC File Types cleaner uses the Macintosh type and creator codes of a file to add a non-Mac extension such as .DOC or .html, allowing non-Mac systems to identify the format of the file, and which program it should be opened in.

File type mappings can be based on a type/creator code combination, or on a type code alone. Files are affected as follows :

• If the file name already contains an extension, and Leave All Existing Extensions is checked, it is unaffected.
• Otherwise, if there is an entry in the Codes to Extension list for the file's exact type and creator codes, the corresponding extension is added to the file name. An already-existing extension will be replaced.
• Otherwise, if there is an entry in the list for the file's type code, the corresponding extension is used.
• Otherwise, if Use Default is checked, the Use Default extension is used.
• Otherwise, the file is unaffected.

To specify a mapping, type the Mac type and creator codes in the two Mac Code fields, and the extension (without the period) in the PC Extension field. Leave the second half of the Mac Code fields as ____ to create a mapping based on type code only. If you want to add a mapping for folders, use the type/creator combination fold/fold. Click the Mac Code : button to pick up the type codes from any Mac file. Click Add to add the specified mapping to the list. To select a mapping in the list, click it. To remove the selected mapping, click Remove. To change the selected mapping to the one specified in the fields below, click Modify.

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