OCX File Extension

What is OCX file?

OCX files are associated with ActiveX module for Microsoft Windows operating system.

What is ActiveX?

ActiveX is a software framework for managing components used by applications developed in such programming languages as:

• Delphi,
• Visual Basic,
• C++,
• Java,
• Power Builder.

Module, which are stored in OCX files, allow for fast and efficient data exchange between various applications running on Windows. Modules facilitate information transmission between elements and allow for rapid application development process. Modules can also be used to run applications in various environments (for example, as web browser applets).

Should I disable ActiveX on my system?

It is advised to disable ActiveX due to known security risks it exposes the system to. Disabling ActiveX prevents OCX files from being read.

Programs which support OCX file extension

Below is a table that list programs that support OCX files. OCX files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 02/16/2022

How to open file with OCX extension?

Being unable to open files with OCX extension can be have various origins. Fortunately, most common problems with OCX files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install Microsoft Visual Studio

The main and most frequent cause precluding users form opening OCX files is that no program that can handle OCX files is installed on user’s system. This one is an easy one. Select Microsoft Visual Studio or one of the recommended programs (for example, Microsoft Windows, Microsoft Visual Basic) 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. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Microsoft Visual Studio website and download the installer.

Step 2. Verify the you have the latest version of Microsoft Visual Studio

You still cannot access OCX files although Microsoft Visual Studio is installed on your system? Make sure that the software is up to date. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that Microsoft Visual Studio cannot handle files with OCX may be that the software is outdated. The most recent version of Microsoft Visual Studio is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Set the default application to open OCX files to Microsoft Visual Studio

If you have the latest version of Microsoft Visual Studio installed and the problem persists, select it as the default program to be used to manage OCX on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the OCX file
• Select Choose another app → More apps
• The last step is to select Look for another app on this PC option supply the directory path to the folder where Microsoft Visual Studio is installed. Now all that is left is to confirm your choice by selecting Always use this app to open OCX files and clicking OK.

Change the default application in Mac OS

• By clicking right mouse button on the selected OCX file open the file menu and choose Information
• Proceed to the Open with section. If its closed, click the title to access available options
• From the list choose the appropriate program and confirm by clicking Change for all....
• Finally, a This change will be applied to all files with OCX extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Check the OCX for errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper OCX file. Problems with opening the file may arise due to various reasons.

1. Verify that the OCX in question is not infected with a computer virus

Should it happed that the OCX 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. OCX file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with OCX extension is complete and error-free

If you obtained the problematic OCX file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with OCX extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the ActiveX Control file again.

4. Check whether your system can handle Microsoft Visual Studio

If the systems has insufficient resources to open OCX files, try closing all currently running applications and try again.

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with ActiveX Control files and ensure security of your device and operating system. It may be the case that the OCX files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the OCX 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 OCX file.