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.AIF File Extension


File Type 1 Audio Interchange File Format  (Most common)
File Format File
Common? No
File Description CD-quality audio file, similar to a .WAV file; developed by Apple Computer, but based on the Electronic Arts .IFF format; standard CD audio AIFF files use a sampling rate of 44.1KHz, are 16-bit, and have two channels (for stereo sound).

Definition of AIFF.
Program(s) that open aif files Mac: Apple QuickTime Player; Apple iTunes; Windows Media Player; Roxio Toast
Windows: Apple QuickTime Player; Apple iTunes; Windows Media Player; Roxio Creator

File Type 2 Symbian Application Information File
File Format Proprietary File
Common? No
File Description Information file that specifies the icon and caption for a Symbian application (.APP) file; typically created with Symbian's AIF Builder and saved along with the corresponding application file.

Application information files are referenced by the Symbian OS and do not need to be manually opened by the user.
Program(s) that open aif files Windows: Symbian AIF Builder

Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/aif