Format
AppleDouble Resource Fork
Summary
- Name
- AppleDouble Resource Fork
- Version
- 1
- Identifiers
-
- PUID: fmt/966
- MIME: multipart/appledouble
- Description
- The resource fork is a construct of the Mac OS operating system used to store structured data in a file, alongside unstructured data stored within the data fork. The format specification is available here: http://support.apple.com/kb/TA32537?viewlocale=en_US The format lacks an extension, and is instead represented by a file name consisting of ._<filename resource fork belongs to>
- Source
- Digital Preservation Department / The National Archives
- Developed by
- Apple Computer, Inc.
- Supported by
- Apple Computer, Inc.
Internal signatures
Apple Double Resource Fork (v1)
- Note
- BOF: 4 byte AppleDouble Magic Number 0x00051607, then 4 byte version number 0x00010000
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- 196
- Byte Sequence
0005160700010000- Endianness
- None
Changelog
-
Added in V88
- Release date
- 27 September 2016
AppleDouble Resource Fork 1: Signature developed assisted by research by Archives New Zealand.
AppleDouble Resource Fork 1: Full entry added. Assisted by research by Archives New Zealand.