Macintosh type/creator code
From Just Solve the File Format Problem
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* [https://vintageapple.org/macprogramming/pdf/The_Programmers_Apple_Mac_Sourcebook_1989.pdf The Programmers Apple Mac Sourcebook] | * [https://vintageapple.org/macprogramming/pdf/The_Programmers_Apple_Mac_Sourcebook_1989.pdf The Programmers Apple Mac Sourcebook] | ||
* [https://www.macdisk.com/macsigen.php Mac Signatures] | * [https://www.macdisk.com/macsigen.php Mac Signatures] | ||
| + | * [https://archive.org/download/apple-drivenby-design-product-info-fall-2003/Apple_DrivenbyDesign_ProductInfo_Fall2003.iso/Apple%2FMigratingMacOSX.pdf#page=30 Migrating to MacOS X guide] | ||
[[Category:Naming and numbering systems]] | [[Category:Naming and numbering systems]] | ||
[[Category:Macintosh]] | [[Category:Macintosh]] | ||
Revision as of 05:46, 26 February 2023
A Macintosh type code is a file format identifier primarily associated with classic Mac OS. It is in the form of a FourCC.
A creator code is similar, but identifies the application that created the file, and/or the application that should be used to open it. Often, the combination of both the creator code and type code is needed to denote, or to clarify, a file's format.
These codes are essentially the classic Mac OS version of a file extension. They are part of a file's standard metadata in Macintosh filesystems such as HFS. They are found in many Mac-specific archiving formats, often via Finder information.
