Files with ov3 extension are known as MS-DOS overlay files.
Software that open ov3 file
OV3 file extension - Overlay file
What is ov3 file? How to open ov3 files?
The ov3 file extension is associated with 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 open ov3 file:
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
List of recommended software applications associated to the .ov3 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ov3 file, edit ov3 file, convert ov3 file, view ov3 file, play ov3 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with ov3 file - Overlay file
Click on the software link for more information about MS-DOS. MS-DOS uses ov3 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.).