.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
	Audacity by Open Source
	Apple QuickTime Player by Apple
	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

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