An fnn file extension is related to the MS-DOS and other DOS-like operating systems. An fnn file contains screen text font.
Software that open fnn file
FNN file extension - MS-DOS screen text font
What is fnn file? How to open fnn files?
File type specification:
The fnn file extension is associated with the MS-DOS, a command line operating system for IBM-PC compatible computers, developed by Microsoft.
The fnn file stores screen text font from MS-DOS system.
This fnn 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 fnn 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 .fnn 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 fnn file, edit fnn file, convert fnn file, view fnn file, play fnn file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with fnn file - MS-DOS screen text font
Click on the software link for more information about MS-DOS. MS-DOS uses fnn 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.).