Home : File Types : OCX File

.OCX File Extension

FREE DOWNLOAD Open over 300 file formats with File Viewer Plus.

File TypeActiveX Control

4.0 (57 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryDeveloper Files


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


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.

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

FileInfo - The File Extensions Database

This page contains information about the .OCX extension and its known file associations. Our goal is to help you understand what an 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 We strive for 100% accuracy and therefore do not publish any information we have not verified.

If you would like to suggest any additions or updates to this page, please let us know!