File Extension Library


.AU File Extension

  • Developer by: Audacity
  • Category: Audio Files
  • Format: Binary

What are .AU files and how to open them?

Can't open .AU file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .AU file.

What is a .AU file extension?

.AU file extension is created by Audacity. .AU has been classified as Audio Files. The format of .AU file is Binary.

.AU is Audacity Audio File

Audio file created by Audacity, a free, cross platform audio editor; uses a proprietary format that can only be opened by Audacity; saved as one of multiple audio data files for an Audacity project (.AUD).

When you created a project in Audacity and import audio files, the audio data is converted to the AU format and is stored in a folder with the project called myproject_data, where the project name is myproject.aud. When done editing a project, you can export the audio to several standard formats, including .MP3, .WAV, and .M4A.

NOTE: Audacity's AU format is not compatible with the standard AU audio file format.

List of all softwares that can open the Audacity Audio File
Windows
Audacity
Mac
Audacity
Linux
Audacity
File Type 2 Audio File
Category: Audio Files Format: Binary

Audio file introduced by Sun Microsystems; used primarily on Sun or other Unix-based machines and has been adopted by several audio programs, including Adobe Audition and QuickTime; stores the data in three parts: a header (24 bytes), a variable length annotation block, and the actual audio data.

List of all softwares that can open the Audio File
Windows
File Viewer Plus
Nullsoft Winamp
Microsoft Windows Media Player
Apple QuickTime Player
RealNetworks RealPlayer Cloud
Adobe Audition CC 2019
VideoLAN VLC media player
Mac
Apple QuickTime Player
RealNetworks RealPlayer Cloud
Adobe Audition CC 2019
VideoLAN VLC media player
Linux
VideoLAN VLC media player

How to fix problems with .AU files

  1. You need to update the application that you normally use to open .AU files. Only the latest version of the software supports the current .AU file format
  2. You need to check the .AU file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)