Files with oca extension are used for Microsoft Visual Basic. It is a binary file format.

Detailed description

Software that works with oca file extension

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OCA file extension - Visual Basic Control Typelib Cache file

What is oca file? How to open oca files?

File type specification:

Binary file type icon Binary file type

The oca file extension is associated with Visual Basic, by Microsoft Corporation. For every custom control file (.OCX) that Visual Basic uses, there is an accompanying .OCA file of the same file name. For example, GRAPH16.OCX has an accompanying .OCA file called GRAPH16.OCA. An .OCA file is a binary file that functions as both an extended type library file and a cache for the custom control file.

The default software associated to oca file type:

Microsoft Visual Basic icon

Microsoft Corporation logoMicrosoft Visual Basic  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Visual Basic is programming language and integrated development environment for Microsoft Windows. Visual Basic is used to create Windows, Web, mobile, and Office applications.

Help how to open OCA files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension OCA:

As far as we know, this .oca file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

Info about OCA files on Microsoft support pages.

List of recommended software applications associated to the .oca file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open oca file, edit oca file, convert oca file, view oca file, play oca file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others oca file

Unspecified and all other actions for computer programs working with oca file - Visual Basic Control Typelib Cache file

Click on the software link for more information about Microsoft Visual Basic. Microsoft Visual Basic uses oca file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

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