File Extension Library


.OCX File Extension

  • Developer by: Microsoft
  • Category: Developer Files
  • Format: Binary

What are .OCX files and how to open them?

Can't open .OCX file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .OCX file.

What is a .OCX file extension?

.OCX file extension is created by Microsoft. .OCX has been classified as Developer Files. The format of .OCX file is Binary.

.OCX is ActiveX Control

An OCX file is an object file created by various software development programs, such as Microsoft Visual Studio, and are used within ActiveX forms. It contains control behaviors that typically are triggered by user or program events and may be used for functions such as window resizing and scroll bar movement handling. OCX files are commonly written in programming languages, such as Visual Basic or C++.

OCX files were originally called Object Linking and Embedding (OLE) custom controls, but now are referred to as ActiveX controls, which is the component object used in Microsoft's ActiveX technologies.

Common OCX Filenames

mscomctl.ocx - Name of an OCX file that contains an update of common controls for Microsoft Visual Basic 6.0.

comctl32.ocx - Name of an OCX file that contains an update of common controls for Microsoft Visual Basic 6.0.

List of all softwares that can open the ActiveX Control
Windows
Microsoft Visual Studio 2017

How to fix problems with .OCX files

  1. You need to update the application that you normally use to open .OCX files. Only the latest version of the software supports the current .OCX file format
  2. You need to check the .OCX file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)