Open AU files

  • Full name
    Unix Audio Sound File Format
  • Developer
    N/A
  • Popularity
Have you encountered a problem with a AU file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a AU file here. In the further part of this page we have added a list of programs that should open your AU file. It is enough you choose a proper application for your operating system, download and install it.

What is AU file?

The file extension AU is used for audio files in AU format. It is the standard audio format on Sun and NeXT computer systems. The AU format is a container format that can include, but is not limited to, uncompressed LPCM (Linear Pulse Code Modulation) audio in mono or stereo, as well as various compressed data types.

More info

The most commonly used audio format for AU files is compressed 8-bit μ-law.

The audio editing program Audacity can also handle AU files when ffmpeg is installed. It should be noted that many programs can not handle all data types of the AU format.

Programs which can open a AU file

How to open file with AU extension?

In order to open a file with AU extension one of the following programs must be installed on user’s system. If a problem with opening AU file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with AU files, follow the instructions below.
1
Install QuickTime Player or other program from the list

Most often resolving problems with opening AU files is very simple. Just install an appropriate program that supports such files. All of the listed programs support AU files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of AU files or offer file conversion options, but may not be capable of editing such files.

Set QuickTime Player as the default program for opening AU files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate AU files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the QuickTime Player applications is not on the list, select "Browse" option in order to manually locate the directory where QuickTime Player has been installed.

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Check the section that lists most common problems with AU files

Sometimes problems with opening AU files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • AU files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open AU files (should that be the case, please contact your system administrator or IT specialist)
  • AU file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)

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