AU3 File Extension

The AU3 file extension was created by AutoIt and is also known as the AutoIt v3 Script. AU3 is classified as a Developer Files and The format of this file type has not been determined yet. You can open AU3 files in Microsoft Notepad program.

AutoIt v3 Script File Type

What is a AU3 File Type?

AutoIt3 scripting language is stored in the AU3 file format. This script can be used to simulate hits, mouse movements, and manipulate windows, which can automate tasks that are not possible with VBScript or SendKeys.

You can edit AU3 script files with the SciTE4AutoIt3 program.

Free Online AU3 Tools & Apps

Access powerful and secure free online AU3 tools to convert, view, edit, merge, split, and compare AU3 files — all without installing any software. Our tools support the .AU3 (AutoIt v3 Script) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your AU3 files directly from your device with ease.

AU3 Converter

Open AU3

Edit AU3

Compare AU3 Files

Merge AU3 Files

Split AU3 Files

AU3 Metadata Viewer

AU3 Files Common Issues

There are few common issues with the AutoIt v3 Script .AU3 File Extensions while opening the .AU3 files on Windows and MacOs, we have solution to those issues such as:

Can't Open AU3 Files?

1. You must have supported software programs installed for AutoIt v3 Script on your system such as Microsoft Notepad.
2. Associate default Microsoft Microsoft Notepad program for *.au3 (AutoIt v3 Script) files.
   
   

   Associate AU3 Default Program on Windows

   1. Right-click a *.AU3 (e.g example.au3) file and click Open With.
   2. In the Open with dialog box, click Microsoft Microsoft Notepad program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .au3 files.
   
   

Related AU3 File Extensions

AU3 default file extension is .AU3 and other similer related extensions are:

All Platform Software Programs for AU3 File Extension

List of all softwares that can open the AU3 files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open AU3 File on Windows

	Software	License	Developer
	AutoIt 000 for Windows	Free	AutoIt
	AutoIt 000 for Windows	Free	AutoIt

Open AU3 File on Mac OS

Open AU3 file on Linux

Open AU3 file on Web

Open AU3 file on iOS

Open AU3 file on Android

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About AU3 - AutoIt v3 Script