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.AIFF File Extension

File TypeAudio Interchange File Format

DeveloperApple
Popularity
3.5 (53 Votes)
CategoryAudio Files
FormatBinary

What is a AIFF file?

An AIFF file is an audio file saved in the Audio Interchange File Format (AIFF). It contains high-quality audio saved in an uncompressed, lossless format. AIFF files are most commonly stored and played on Apple devices, including Macintosh computers.

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Screenshot of a .aiff file in Audacity 3
AIFF file open in Audacity 3

In 1998, Apple developed the Audio Interchange File Format. The AIFF format is a variant of the .IFF format, which Electronic Arts (EA) developed to store assets used in video games.

Unlike .MP3 files and many other common audio files, AIFF files are uncompressed. Because AIFF files' data is not compressed, AIFF files typically contain higher-quality audio than similar MP3 files. However, because AIFF files contain more data, they also take up more disk space than similar MP3 files.

Because the AIFF format is most commonly used by Apple devices and programs, Apple PC and mobile device users are most likely to encounter AIFF files. Windows users are more likely to encounter uncompressed audio files saved in the .WAV or .AIF formats. AIF files are AIFF files saved with a Windows-specific extension.

In the past, AIFF files were commonly used to burn audio CDs in Apple iTunes and other programs. Standard CD audio AIFF files are sampled at 44.1KHz, are 16-bit, and have two channels for stereo sound.

How do I open a AIFF file?

You can open AIFF files and play the audio they contain in a variety of media players, including:

How do I convert AIFF files to other audio formats?

You can use a digital audio workstation (DAW), such as Adobe Audition (Windows, Mac) or Audacity (cross-platform), to convert AIFF files to other audio formats, such as MP3.

To convert an AIFF file to an MP3 file in Audacity:

  1. Open your AIFF file in Audacity (File → Open...).
  2. Select File → Export → Export as MP3.

Audacity also allows users to export audio as WAV and .OGG files. To convert your AIFF file to a WAV or OGG file, select one of those formats instead of MP3 in step 2.

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Programs that open AIFF files

Updated 3/31/2021

About AIFF Files

Our goal is to help you understand what a file with a *.aiff suffix is and how to open it.

The Audio Interchange File Format file type, file format description, and Mac, Windows, Linux, Android, and iOS programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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