.AU File Extension

File Type:
Audacity Audio File

Having trouble opening .au extension? Don't panic! This page explains what au files are as well as suggests programs you may use to open au files. You can download these programs through this page.

What is an AU file?

Au file extension has Audacity Audio file type, developed by Audacity, which is associated with the "audio files" category.

Generated with Audacity, the audio file comes in a proprietary format, which may be accessed by the program only. It is typically saved as one of many files for an Audacity project (.AUD).

When creating a project and importing files to Audacity, the audio-related info is converted to the AU file format. When done adding changes to the project, the user may export the audio to a bunch of other formats, such as .WAV, .MP3, and .M4A.

To learn how you can open the given file, read the information below.

au file icon
File Type:
Audacity Audio File
Audio Files

How to open AU file?

Double click the au file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .au extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the au extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the au file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open AU files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the au file as well. Download Universal File Viewer for your OS.

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