.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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Home File Types Audio Files AU

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.

Associated Developers and Software

	Apple QuickTime Player by Apple
	Audacity by Open Source
	Nullsoft Winamp by Nullsoft
	Adobe Audition by Adobe Systems Incorporated
	Microsoft Windows Media Player by Microsoft Corporation

Top AU User Languages

Top AU File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	Linux
	Windows Phone
	Android

Other File Types Related to AU Files

Extension	File Type Developer	File Category	File Type Description
.CSX	Microsoft Corporation	Developer Files	Visual C# Script
.DX	Digital Equipment Corporation	Text Files	DEC WPS Plus File
.MINIPSF	Un4seen Developments	Audio Files	Miniature PlayStation Sound Format File
.EBN	Philips 3D Solutions	Uncommon Files	Philips Firmware Update File
.DSP	Open Source	Audio Files	Dynamic Studio Professional Module
.BSD	IEEE Xplore	Data Files	Boundary Scan Description Language Data File
.SGML	Corel	Data Files	Standard Generalized Markup Language File
.XA2	Csabo	Game Files	XWE Data File
.EVE	Open Source	Vector Image Files	Embedded Vector Editor Diagram
.VGM	Richard Bannister	Audio Files	Video Game Music File