ARX File Extension

ARX file icon
AutoCAD Runtime Extension Format
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What is ARX file?

Full format name of files that use ARX extension is AutoCAD Runtime Extension Format. Autodesk defined the AutoCAD Runtime Extension Format format standard. Files with ARX extension may be used by programs distributed for Windows platform. ARX file belongs to the Plugin Files category just like 140 other filename extensions listed in our database. AutoCAD supports ARX files and is the most frequently used program to handle such files, yet 1 other tools may also be used. Software named AutoCAD was created by Autodesk, Inc.. In order to find more detailed information on the software and ARX files, check the developer’s official website.

Programs which support ARX file extension

The following listing features ARX-compatible programs. Files with ARX suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Programs that support ARX file

How to open file with ARX extension?

Being unable to open files with ARX extension can be have various origins. Fortunately, most common problems with ARX files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with ARX files.

Step 1. Get the AutoCAD

Problems with opening and working with ARX files are most probably having to do with no proper software compatible with ARX files being present on your machine. This one is an easy one. Select AutoCAD or one of the recommended programs (for example, ObjectARX SDK) and download it from appropriate source and install on your system. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading AutoCAD installed is by going to developer’s website (Autodesk, Inc.) and downloading the software using provided links.

Step 2. Check the version of AutoCAD and update if needed

If you already have AutoCAD installed on your systems and ARX files are still not opened properly, check if you have the latest version of the software. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of AutoCAD installed, it may not support ARX format. The latest version of AutoCAD should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open ARX files to AutoCAD

If the issue has not been solved in the previous step, you should associate ARX files with latest version of AutoCAD you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

  • Clicking the ARX with right mouse button will bring a menu from which you should select the Open with option
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where AutoCAD is installed, check the Always use this app to open ARX files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with ARX extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select AutoCAD and click Change for all...
  • Finally, a This change will be applied to all files with ARX extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the ARX for errors

Should the problem still occur after following steps 1-3, check if the ARX file is valid. Being unable to access the file can be related to various issues.

1. The ARX may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the ARX is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the ARX file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If you obtained the problematic ARX file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the ARX file has been downloaded from the internet only partially, try to redownload it.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle AutoCAD

If the system is under havy load, it may not be able to handle the program that you use to open files with ARX extension. In this case close the other applications.

5. Ensure that you have the latest drivers and system updates and patches installed

Latest versions of programs and drivers may help you solve problems with AutoCAD Runtime Extension Format files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle ARX files.

Do you want to help?

If you have additional information about the ARX file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on ARX file.

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