Files with au3 suffix can be usually found as scripts written in AutoIt v3 scripting language.
Software that open au3 file
AU3 file extension - AutoIt v3 script
What is au3 file? How to open au3 files?
File extension au3 is mainly associated with AutoIt v3, a freeware BASIC-like scripting language designed for automating the Windows GUI and general scripting.
A typical .au3 file contains scripts written and saved in the Autolt language.
The default software associated to open au3 file:
Company or developer:
Jonathan Bennett
AutoIt v3 is a small freeware program with which users can program small scripts that are able to automate tasks in Windows.
List of software applications associated to the .au3 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open au3 file, edit au3 file, convert au3 file, view au3 file, play au3 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting au3 files.
Software that open au3 file - AutoIt v3 script
Programs supporting the exension au3 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open au3 file action.
Microsoft Windows:
Main software associated with au3 file by default: AutoIt v3
Other suggested software: Sublime Text
PSPad
NotePad++ text editor