.AU File Overview

File Extension: AU
File Type Description: Audacity Audio File
File Type Developer: Open Source
Primary Associated Software: Audacity
Primary Software Developer: Open Source

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What is File Extension AU?

Audacity Audio File files are the most popular type of files to carry the AU file extension, originally developed by Nullsoft for Nullsoft Winamp. Data from our web servers (annonymous users) show that AU files are most popular in United States and are often used by Windows 10. A majority of people seeking info on AU files are using the Google Chrome browser.

Top AU User Languages

Top AU File User Browsers

Desktop Friendly?


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Most Popular AU File Countries

Top User Operating Systems

Windows 7 Windows 10 Windows 8.1 Windows XP

Associated Operating Systems

Windows Phone

Other File Types Related to AU Files

Extension File Type Developer File Category File Type Description
.AGX Open Source Game Files AGT Game File
.XS5 Open Source Spreadsheet Files XESS Worksheet
.WS MicroPro International Corp. Text Files WordStar Document
.SETTINGS Microsoft Corporation Settings Files Microsoft Visual Studio Settings File
.SPC Various Developers Web Files Software Publisher Certificate File
.SQUASHFS Open Source Data Files Squashfs File System File
.MAN Unknown Developer Text Files Unix Manual
.LTX GSC Game World Game Files S.T.A.L.K.E.R. Properties File
.STA Dassault Systèmes Data Files ABAQUS Status File
.FITS Open Source Raster Image Files Flexible Image Transport System File

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