AU3 File

What are AU3 files and how to open them

Are you having problems opening an AU3 file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an AU3 file?

The .au3 file extension is most commonly associated with the AutoIT v3 freeware scriptiong application. This software uses a programming language that is comparable to the BASIC programming language. The AU3 files contain automated scripts that have been created with this program. They are used to automate commands within the Windows operating environment.

How to open AU3 files

Important: Different programs may use files with the AU3 file extension for different purposes, so unless you are sure which format your AU3 file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested three different AU3 openers which you will find listed below.

Last updated: January 12, 2020

Various apps that use files with this extension

These apps are known to open certain types of AU3 files. Remember, different programs may use AU3 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

SciTESciTEUser submitted
SciTE4AutoIt3SciTE4AutoIt3User submitted
AutoIt ScriptAutoIt ScriptUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about AU3 file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.