File Extension AU3

.AU3 File

File extension: AU3
File type: Ver. 3 Script


Notes about the AU3 file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The AU3 file type is primarily associated with 'AutoIt' by HiddenSoft. AutoIt is an open source BASIC-like scripting language designed for automating the Windows GUI. The scripts can be compiled for standalone execution.

Detailed information for file extension AU3:


Primary association: AutoIt
Company: HiddenSoft
File classification: Source Code



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension AU3 click this link to expand/hide the additional area.

System Info for File Extension .AU3

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: AutoIt3Script
EXEFile: notepad.exe %1

ProgramID: AutoIt3Script
EXEFile: %ProgramFiles%\AutoIt3\AutoIt3.exe %*

ProgramID: AutoIt3Script
EXEFile: %ProgramFiles%\AutoIt3\SciTE\SciTE.exe


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