.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

	Nullsoft Winamp by Nullsoft
	Adobe Audition by Adobe Systems Incorporated
	Audacity by Open Source
	Apple QuickTime Player by Apple
	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
.VMD	Open Source	Audio Files	Covox Raw Sample
.KDEVELOP	Free Software Foundation	Developer Files	KDevelop Project Data File
.VCE	Avanset	Data Files	Visual CertExam Suite Exam File
.DOK	Nenad Hrg	Settings Files	DesktopOK Icons Layout File
.MTM	VideoLAN	Audio Files	MultiTracker Module
.C4U	Open Source	Game Files	OpenClonk Update System File
.MND	Autodesk, Inc.	Developer Files	AutoCAD Menu Compiler File
.PBM	Unknown Developer	Raster Image Files	Portable Bitmap Image
.DX	Digital Equipment Corporation	Text Files	DEC WPS Plus File
.CEL	Affymetrix	Data Files	Affymetrix Probe Results File