A3X file - How do I open a .a3x file?
The table below provides useful information about the .a3x file extension. It answers questions such as:
- What is the .a3x file?
- What program do I need to open a .a3x file?
- How can the .a3x file be opened, edited or printed?
- How can I convert .a3x files to another format?
Table of Contents
- ✅ AccuLoad III-X Configuration
- ✅ AutoIt v3 Compiled Script
- 🔄 .a3x file converters
- 🚫 .a3x file related errors
We hope you find this page helpful and a valuable resource!
2 extension(s) and 0 alias(es) found in database
✅ AccuLoad III-X Configuration

The A3X file is an AccuLoad III-X Configuration. The Smith Meter AccuLoad III is a multiple Micro-Processor based instrument that can be configured to fit the application, its capable of controlling One up to six loading arms.
✅ AutoIt v3 Compiled Script

The A3X file is an AutoIt v3 Compiled Script. AutoIt v3 is a freeware BASIC-like scripting language designed for automating the Windows GUI and general scripting. It uses a combination of simulated keystrokes, mouse movement and window/control manipulation in order to automate tasks in a way not possible or reliable with other languages.
Other types of files may also use the .a3x file extension.
🚫 The .a3x file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .a3x file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.a3x
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .a3x file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
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