AU3 File - opening and understanding

Did your computer fail to open an AU3 file? We explain what they are used for and recommend software that we know can open or otherwise handle your .AU3 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

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension AU3 for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 3 different AU3 openers which you will find listed below.

Suggest another file format using extension AU3

While we know of one file format using the .AU3 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .AU3 file.

Various viewers for this file format

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
We have not verified any software that we know for certain will work with AU3-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with AU3-files. If you know one, please use the 'Suggest a program' link below and tell us about it!