Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .ocx

Below, you can find answers to the following questions:

  • What is the .ocx file?
  • Which program can create the .ocx file?
  • Where can you find a description of the .ocx format?
  • What can convert .ocx files to a different format?
  • Which MIME-type is associated with the .ocx extension?

1 extension(s) and 0 alias(es) in our database

ActiveX Custom Control .ocx file icon

ActiveX Custom Control

OCX file is an ActiveX Custom Control. OCX is an Object Linking and Embedding (OLE) custom control, a special-purpose program that can be created for use by applications running on Microsoft's Windows systems. OCXs provide such functions as handling scroll bar movement and window resizing.
Category: Application files
Application: -
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Windows Command File
Windows Dynamic Linked Llibrary
Windows Device Driver
Executable File
PostScript Printer Description
Visual Basic ActiveX Document
Microsoft Resource Library

Other types of files may also use the .ocx file extension. If you have helpful information about .ocx extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Open Financial Exchange Document
Olicom Fax Image
Mac OS X Related File
OptControlCentre Model
Microsoft BizTalk Server Orchestration File
DB/TextWorks List of BTX Records
PC PaintBrush Bitmap
CC5X C Compiler Output File

The .ocx filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ofx (36), occ (18), ocd (8), pcx (6), osx (6), odx (6), ovx (5), lcx (5), cx (5), ocs (5), cox (4), ocz (4), ox (4), oc (4), oca (3)

Can't open a .ocx file?

If you want to open a .ocx file on your computer, you just need to have the appropriate program installed. If the .ocx association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ocx

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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