Files with OV4 extension can be found as old MS-DOS overlay files. Probably somewhat old and no longer used.

Detailed description

Software that works with ov4 file extension

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OV4 file extension - Overlay file

What is ov4 file? How to open ov4 files?

File type specification:

System file type icon System file type

ov4 file icon: ov4 filetype icon

The OV4 file extension is mainly related to DOS overlay files. When running in a 640K MS-DOS machine, all program code may not fit into available memory at the same time. To overcome this memory limitation, most large programs use overlays. An overlay is a portion of the program code that shares memory for its code with other code modules. (part of program to be loaded when needed), program code for DOS.

The default software associated to ov4 file type:

MS-DOS icon

Microsoft Corporation logo MS-DOS  Microsoft MS-DOS software

Company or developer:
  Microsoft Corporation

MS-DOS (short for Microsoft Disk Operating System) is an operating system commercialized by Microsoft. It was the most commonly used member of the DOS family of operating systems and was the dominant operating system for computers during the 1980s

Help how to open OV4 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 OV4:

As far as we know, this .ov4 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.

List of software applications associated to the .ov4 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open ov4 file, edit ov4 file, convert ov4 file, view ov4 file, play ov4 file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the ov4 files.

  • Open ov4 file
  • Others ov4 file

Software that open ov4 file - Overlay file

Click on the link to get more information about MS-DOS for open ov4 file action.

Microsoft MS-DOS:

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