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.IFF File Extension

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File TypeInterchange File Format

DeveloperElectronic Arts
Popularity
3.6 (18 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryAudio Files
FormatBinary

Binary

This file is saved in a binary format, which requires a specific program to read its contents.

What is an IFF file?

An IFF file is a universal file format created by Electronic Arts. It may contain image, text, or audio data and is used for interchanging different types of data across applications and platforms. IFF files are supported by many programs and are used as the basis for several other file formats, including AIFF.

More Information

IFF files are comprised of sections of data called "chunks," which are defined by four-letter IDs. There are three main chunk types, each of which may contain text, numerical data, or raw data:

  • FORM: specifies the format of the file
  • LIST: includes the properties of the file
  • CAT: contains the rest of the data
The IFF format is also known as "EA IFF 1985" since Electronic Arts designed the file format in 1985.

NOTE: IFF files used by The Sims and The Sims Online can be edited using IFF Snooper for the Mac platform or IFF Pencil for Windows.

Programs that open IFF files
Windows
Adobe Audition CC 2015
Apple QuickTime Player
Corel PaintShop Pro X8
ACD Systems Canvas 15
ACD Systems ACDSee 18
Cloanto Amiga Forever
XnViewMP
IrfanView
Mac
Adobe Audition CC 2015
Apple QuickTime Player
ShedWorx Smart Converter
IFFSnooper
Cloanto Amiga Forever
Linux
Cloanto Amiga Forever
XnViewMP
Android
File Viewer for Android
Updated 7/26/2016