.ARX File

.arx is AutoCAD Runtime Extension File

Key Features: .ARX File Extension

What's on this Page

The arx file extension is related to AutoCAD, one of the leading 2D and 3D CAD programs, developed and marketed by Autodesk.

The arx file contains runtime extension, a form of the C++ programming language.

These arx files are basically programs that add functions to AutoCAD.

They often contain the code for specific commands or groups of commands and are considered more sophisticated than ADS.

Files with arx file extension can be mainly found as runtime extensions for Autodesk AutoCAD, a CAD and CAM software for Windows and Mac.

These files can be most likely imported to AutoCAD.

There is no way how to convert *.arx files to other formats.

AutoCAD Runtime Extension File - File openers

Associate the ARX file extension with the correct application. On :
Windows: Right click on any ARX file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ARX files". Mac: Right click (or Ctrl-click) the ARX file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
Update your software that should actually open .ARX is AutoCAD Runtime Extension File. Because only the current version supports the latest ARX file format. Search, therefore, e.g. on the Autodesk manufacturer website after an available .ARX is AutoCAD Runtime Extension File update.
To make sure that your ARX file is not corrupted or virus-infected, get the file again and scan it with antivirus software.