.OVL file extension - Overlay file
What is ovl file? How to open ovl files?
The ovl file extension is 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.
This ovl file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
The default software associated to open ovl file:
MS-DOS 
(obsolete 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
List of recommended software applications associated to the .ovl 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 ovl file, edit ovl file, convert ovl file, view ovl file, play ovl file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with ovl file - Overlay file
Click on the software link for more information about MS-DOS. MS-DOS uses ovl 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 MS-DOS:
MS-DOS (obsolete/discontinued)
