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

Details of extension .oca

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

Below, you can find answers to the following questions:

  • What is the .oca file?
  • Which program can create the .oca file?
  • Where can you find a description of the .oca format?
  • What can convert .oca files to a different format?
  • Which MIME-type is associated with the .oca extension?
Visual Basic Control TypeLib Cache .oca file icon

Visual Basic Control TypeLib Cache

The OCA file is a Visual Basic Control TypeLib Cache.
Category: Development files
Application: Visual Studio
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Visual Basic Project
Visual Basic PDW Script
Visual Basic Binary Property Page File
Visual Basic Property Page File
Visual Basic Class Module
Visual Basic ActiveX Document Binary Form
Visual Basic Control Licensing File
Visual Basic Wizard Launch File
Visual Basic WebClass HTML Template

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

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

OpenSSL Certificate Authority Data
Medlin Payroll Software Chart Data
BrainVoyager QX Independent Component Analysis Data
Adobe LiveCycle Application
OpenAccess Database
Grand Theft Auto V Audio Data
Esterel Compiler Automaton Code
Symantec ESM Oracle Configuration Watch Template
ActiveX Custom Control

The .oca filename extension is often given incorrectly!

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

pca (1), ova (1), ofa (1), ocz (1), ocw (1), oac (1), lca (1), coa (1), oxa (1), osa (1), oda (1), ocx (1), oc (1), oa (1), ica (1)

Can't open a .oca file?

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

Windows can't open this file:

File: example.oca

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 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android