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Basic information about AU file

When there is a problem with opening files with the file extension AU（*.AU or *.au）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the AU file yourself.

There are 2 file types using the AU file extension in our database. In the further part of this page, you will find detail information about all the AU file with their brief description and a list of programs that support AU file sorted by operating systems. The table below provides useful information about the AU file extension. It answers questions such as:
  • What is the AU file?
  • How to open a AU file?
  • What programs do I need to open a AU file?
  • What programs help to create and edit a AU file?
  • How to convert AU files to another file format?
  • How to convert another files to AU file format?


1.Detail information about AU file extension: Audio File

File type Audio File Category Audio Files
Developer N/A File format Binary
Description AU file is a Audio File. 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.
Software programs that will open, edit or convert AU files

Windows		 File Viewer Plus
Nullsoft Winamp
Microsoft Windows Media Player
Apple QuickTime Player
RealNetworks RealPlayer Cloud
Adobe Audition CC 2017
VideoLAN VLC media player
Awave Studio
Freemake Video Converter

macOS		 Apple QuickTime Player
RealNetworks RealPlayer Cloud
Adobe Audition CC 2017
VideoLAN VLC media player

Linux		 VideoLAN VLC media player
Unix

Android		 VLC media player


2.Detail information about AU file extension: Audacity Audio File

File type Audacity Audio File Category Audio Files
Developer Audacity File format Binary
Description AU file is a Audacity Audio File developed by Audacity.
Software programs that will open, edit or convert AU files

Windows		 Audacity

macOS
 Audacity

Linux		 Audacity



How to convert AU files to another file format?

There are 3 records in our database eligible for AU files to another file format conversion. If you want to achieve AU to another files conversion, you may use the option.

AU to AIFF AU to MP3 AU to WMV


How to convert another files to AU file format?

There are 3 records in our database eligible for another files to AU file format conversion. If you want to achieve another files to AU conversion, you may use the option.

FLAC to AU MP3 to AU WMA to AU


Can't open a AU file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.AU”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the AU extension without any issue.


Where I can download the application that support AU file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of AU files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a AU file?

The reasons for the lack of the ability to open a AU file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a AU file. If there is still something wrong, you might want to check:

  • Whether the AU file is damaged.
  • Whether the AU file is incorrectly linked in the registry entries.
  • Whether the AU file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the AU file format is incompletely.
  • Whether the AU file is infected.
  • Whether the drivers of the equipment used for opening a AU file are up to date.
  • Whether your computer has enough hardware resources to open a AU file.

If the AU file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.