Interchange File Format (IFF), is a generic container file format originally introduced by the Electronic Arts company in 1985 (in cooperation with Commodore-Amiga) in order to ease transfer of data between software produced by different companies.
IFF files do not have any common extension. Most files with .iff extension are in fact ILBM files, wrongly named so because they are the most common IFF files and most assume that they are the only type of IFF files (on many systems that generate IFF files, file extensions are not important).
Resource Interchange File Format is a format developed by Microsoft and IBM in 1991 that is based on IFF, except the byte order has been change to little endian to match the x86 processor architecture. Apple Computer's AIFF is a big endian audio file format developed from IFF. The TIFF image file format is unrelated.
Other articles related to "interchange file format, file format, format, file, files":
... Notation Interchange File Format (NIFF) is a music notation file format used primarily for transferring music notation between different scorewriters ... The NIFF project was started in February 1994 to create an open format that would allow exchange of music between various scanning / Music OCR, editing and typesetting programs ... The NIFF format itself is based upon RIFF (Resource Interchange File Format), a file structure provided by Microsoft, in which data is divided into Lists, Chunks and Tags ...
... An IFF file is built up from chunks ... This is followed by a 32-bit unsigned integer (all integers in IFF files' structure are big-endian) specifying the size of the following data (the chunk content) in bytes ... Chunks must begin on even file offsets, as befits the origins of IFF on the Motorola 68000 processor, which couldn't address quantities larger than a byte ...
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