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Format

Interchange File

Summary

Name
Interchange File
Identifiers
PUID: x-fmt/157
Format type
Aggregate
Description
This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
File extensions
iff
Source
Digital Preservation Department / The National Archives

Relationships

Has lower priority than
Is supertype of

Internal signatures

Interchange File

Note
All interchange file format files must start with either 'FORM', 'LIST', or 'CAT ' values. This is a generic signature that will identify Interchange Files which do not have a more complete and specific signature assigned to them within PRONOM.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
None
Byte Sequence
(464F524D|4C495354|43415420)00
Endianness
None

Changelog

  • Added in V51

    Release date
    15 July 2011

    Interchange File: Signature developed through PRONOM Research.