Home : File Types : OCX File

.OCX File Extension

File TypeActiveX Control

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CategoryDeveloper Files


This file is saved in a binary format, which requires a specific program to read its contents.

What is a OCX file?

Object file used within ActiveX forms; contains control behaviors that typically are triggered by user or program events; may be used for functions such as window resizing and scroll bar movement handling; commonly written programming languages, such as Visual Basic or C++.

More Information

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.

OCX files may be created by various software development programs, including Microsoft Visual Studio.

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Programs that open OCX files
Microsoft Visual Studio 2015
Updated 3/8/2010

.OCX Extension Information

This page contains information about the file extension OCX and its known file associations. Our goal is to help you understand what a *.ocx file is and how to open it.

The ActiveX Control file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

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